104243400 has 144 divisors (see below), whose sum is σ = 362337300. Its totient is φ = 26826240.

The previous prime is 104243387. The next prime is 104243417. The reversal of 104243400 is 4342401.

It can be written as a sum of positive squares in 6 ways, for example, as 11737476 + 92505924 = 3426^2 + 9618^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 51202 + ... + 53198.

Almost surely, 2^104243400 is an apocalyptic number.

104243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104243400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181168650).

104243400 is an abundant number, since it is smaller than the sum of its proper divisors (258093900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104243400 is a wasteful number, since it uses less digits than its factorization.

104243400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104243400 is about 10209.9657198249. The cubic root of 104243400 is about 470.6335202132.

Adding to 104243400 its reverse (4342401), we get a palindrome (108585801).

Subtracting from 104243400 its reverse (4342401), we obtain a palindrome (99900999).

It can be divided in two parts, 10424 and 3400, that added together give a cube (13824 = 24³).

The spelling of 104243400 in words is "one hundred four million, two hundred forty-three thousand, four hundred".