103443400 has 24 divisors (see below), whose sum is σ = 240506370. Its totient is φ = 41377280.

The previous prime is 103443371. The next prime is 103443401. The reversal of 103443400 is 4344301.

It can be written as a sum of positive squares in 3 ways, for example, as 100681156 + 2762244 = 10034^2 + 1662^2 .

It is not an unprimeable number, because it can be changed into a prime (103443401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 258409 + ... + 258808.

Almost surely, 2^103443400 is an apocalyptic number.

103443400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103443400 is an abundant number, since it is smaller than the sum of its proper divisors (137062970).

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

103443400 is a wasteful number, since it uses less digits than its factorization.

103443400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517233 (or 517224 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 103443400 is about 10170.7128560391. The cubic root of 103443400 is about 469.4264922649.

Adding to 103443400 its reverse (4344301), we get a palindrome (107787701).

Subtracting from 103443400 its reverse (4344301), we obtain a palindrome (99099099).

The spelling of 103443400 in words is "one hundred three million, four hundred forty-three thousand, four hundred".