10889690 has 32 divisors (see below), whose sum is σ = 23721984. Its totient is φ = 3513600.

The previous prime is 10889687. The next prime is 10889693. The reversal of 10889690 is 9698801.

10889690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10889687) and next prime (10889693).

It is a super-2 number, since 2×10889690² = 237170696592200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10889693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3386 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (741312).

Almost surely, 2^10889690 is an apocalyptic number.

10889690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10889690 is an abundant number, since it is smaller than the sum of its proper divisors (12832294).

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

10889690 is a wasteful number, since it uses less digits than its factorization.

10889690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9182.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 10889690 is about 3299.9530299688. The cubic root of 10889690 is about 221.6520941922.

It can be divided in two parts, 108 and 89690, that added together give a palindrome (89798).

The spelling of 10889690 in words is "ten million, eight hundred eighty-nine thousand, six hundred ninety".