103563904 has 16 divisors (see below), whose sum is σ = 206318970. Its totient is φ = 51781888.

The previous prime is 103563883. The next prime is 103563919. The reversal of 103563904 is 409365301.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 23425600 = 8952^2 + 4840^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-3 number, since 3×103563904³ (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404419 + ... + 404674.

Almost surely, 2^103563904 is an apocalyptic number.

It is an amenable number.

103563904 is a deficient number, since it is larger than the sum of its proper divisors (102755066).

103563904 is an frugal number, since it uses more digits than its factorization.

103563904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809107 (or 809095 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 103563904 is about 10176.6352003007. The cubic root of 103563904 is about 469.6087040460.

The spelling of 103563904 in words is "one hundred three million, five hundred sixty-three thousand, nine hundred four".