10890904 has 8 divisors (see below), whose sum is σ = 20420460. Its totient is φ = 5445448.

The previous prime is 10890881. The next prime is 10890923. The reversal of 10890904 is 40909801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10890904² = 237223579874432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680674 + ... + 680689.

Almost surely, 2^10890904 is an apocalyptic number.

It is an amenable number.

10890904 is a deficient number, since it is larger than the sum of its proper divisors (9529556).

10890904 is a wasteful number, since it uses less digits than its factorization.

10890904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361369 (or 1361365 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 10890904 is about 3300.1369668546. The cubic root of 10890904 is about 221.6603305957.

The spelling of 10890904 in words is "ten million, eight hundred ninety thousand, nine hundred four".