103900928 has 18 divisors (see below), whose sum is σ = 207396504. Its totient is φ = 51950336.

The previous prime is 103900919. The next prime is 103900969. The reversal of 103900928 is 829009301.

It is a super-2 number, since 2×103900928² = 21590805678522368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 103900894 and 103900903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202676 + ... + 203187.

It is an arithmetic number, because the mean of its divisors is an integer number (11522028).

Almost surely, 2^103900928 is an apocalyptic number.

It is an amenable number.

103900928 is a deficient number, since it is larger than the sum of its proper divisors (103495576).

103900928 is an frugal number, since it uses more digits than its factorization.

103900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405879 (or 405865 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 103900928 is about 10193.1804653896. The cubic root of 103900928 is about 470.1175622618.

The spelling of 103900928 in words is "one hundred three million, nine hundred thousand, nine hundred twenty-eight".