10889620 has 24 divisors (see below), whose sum is σ = 26135424. Its totient is φ = 3733536.

The previous prime is 10889617. The next prime is 10889623. The reversal of 10889620 is 2698801.

It is an interprime number because it is at equal distance from previous prime (10889617) and next prime (10889623).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10889623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38752 + ... + 39031.

It is an arithmetic number, because the mean of its divisors is an integer number (1088976).

Almost surely, 2^10889620 is an apocalyptic number.

10889620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10889620 is an abundant number, since it is smaller than the sum of its proper divisors (15245804).

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

10889620 is a wasteful number, since it uses less digits than its factorization.

10889620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77799 (or 77797 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 10889620 is about 3299.9424237401. The cubic root of 10889620 is about 221.6516192573.

The spelling of 10889620 in words is "ten million, eight hundred eighty-nine thousand, six hundred twenty".