10987904 has 16 divisors (see below), whose sum is σ = 21890220. Its totient is φ = 5493888.

The previous prime is 10987903. The next prime is 10987931. The reversal of 10987904 is 40978901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10987903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42794 + ... + 43049.

Almost surely, 2^10987904 is an apocalyptic number.

It is an amenable number.

10987904 is a deficient number, since it is larger than the sum of its proper divisors (10902316).

10987904 is an frugal number, since it uses more digits than its factorization.

10987904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85857 (or 85845 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 10987904 is about 3314.8007481597. The cubic root of 10987904 is about 222.3164601789.

The spelling of 10987904 in words is "ten million, nine hundred eighty-seven thousand, nine hundred four".