10889994 has 48 divisors (see below), whose sum is σ = 23571072. Its totient is φ = 3351744.

The previous prime is 10889987. The next prime is 10890023. The reversal of 10889994 is 49998801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149142 + ... + 149214.

It is an arithmetic number, because the mean of its divisors is an integer number (491064).

Almost surely, 2^10889994 is an apocalyptic number.

10889994 is an abundant number, since it is smaller than the sum of its proper divisors (12681078).

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

10889994 is a wasteful number, since it uses less digits than its factorization.

10889994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 10889994 is about 3299.9990909090. Note that the first 3 decimals coincide. The cubic root of 10889994 is about 221.6541567428.

The spelling of 10889994 in words is "ten million, eight hundred eighty-nine thousand, nine hundred ninety-four".