104443290 has 128 divisors (see below), whose sum is σ = 323089920. Its totient is φ = 23514624.

The previous prime is 104443279. The next prime is 104443321. The reversal of 104443290 is 92344401.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 137592 + ... + 138348.

It is an arithmetic number, because the mean of its divisors is an integer number (2524140).

Almost surely, 2^104443290 is an apocalyptic number.

104443290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104443290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161544960).

104443290 is an abundant number, since it is smaller than the sum of its proper divisors (218646630).

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

104443290 is a wasteful number, since it uses less digits than its factorization.

104443290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 104443290 is about 10219.7499969422. The cubic root of 104443290 is about 470.9341463368.

Adding to 104443290 its reverse (92344401), we get a palindrome (196787691).

The spelling of 104443290 in words is "one hundred four million, four hundred forty-three thousand, two hundred ninety".