104739440 has 120 divisors (see below), whose sum is σ = 270125568. Its totient is φ = 37739520.

The previous prime is 104739433. The next prime is 104739449. The reversal of 104739440 is 44937401.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 104739397 and 104739406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104739449) 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 23 ways as a sum of consecutive naturals, for example, 824657 + ... + 824783.

Almost surely, 2^104739440 is an apocalyptic number.

104739440 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 104739440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135062784).

104739440 is an abundant number, since it is smaller than the sum of its proper divisors (165386128).

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

104739440 is a wasteful number, since it uses less digits than its factorization.

104739440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 104739440 is about 10234.2288424678. The cubic root of 104739440 is about 471.3788391283.

The spelling of 104739440 in words is "one hundred four million, seven hundred thirty-nine thousand, four hundred forty".