103909624 has 32 divisors (see below), whose sum is σ = 239793120. Its totient is φ = 41106816.

The previous prime is 103909583. The next prime is 103909633. The reversal of 103909624 is 426909301.

It is a self number, because there is not a number n which added to its sum of digits gives 103909624.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70639 + ... + 72094.

It is an arithmetic number, because the mean of its divisors is an integer number (7493535).

Almost surely, 2^103909624 is an apocalyptic number.

103909624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103909624 is an abundant number, since it is smaller than the sum of its proper divisors (135883496).

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

103909624 is a wasteful number, since it uses less digits than its factorization.

103909624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142759 (or 142755 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 103909624 is about 10193.6070161646. The cubic root of 103909624 is about 470.1306774103.

The spelling of 103909624 in words is "one hundred three million, nine hundred nine thousand, six hundred twenty-four".