103689624 has 32 divisors (see below), whose sum is σ = 264118320. Its totient is φ = 33910656.

The previous prime is 103689601. The next prime is 103689643. The reversal of 103689624 is 426986301.

It is a super-2 number, since 2×103689624² = 21503076250522752, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39487 + ... + 42030.

Almost surely, 2^103689624 is an apocalyptic number.

It is an amenable number.

103689624 is an abundant number, since it is smaller than the sum of its proper divisors (160428696).

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

103689624 is a wasteful number, since it uses less digits than its factorization.

103689624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81579 (or 81575 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 103689624 is about 10182.8102211521. The cubic root of 103689624 is about 469.7986522491.

The spelling of 103689624 in words is "one hundred three million, six hundred eighty-nine thousand, six hundred twenty-four".