89420656 has 20 divisors (see below), whose sum is σ = 186580072. Its totient is φ = 41270976.

The previous prime is 89420641. The next prime is 89420671. The reversal of 89420656 is 65602498.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (89420641) and next prime (89420671).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214746 + ... + 215161.

Almost surely, 2^89420656 is an apocalyptic number.

It is an amenable number.

89420656 is an abundant number, since it is smaller than the sum of its proper divisors (97159416).

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

89420656 is a wasteful number, since it uses less digits than its factorization.

89420656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429928 (or 429922 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 89420656 is about 9456.2495736946. The cubic root of 89420656 is about 447.1768206427.

The spelling of 89420656 in words is "eighty-nine million, four hundred twenty thousand, six hundred fifty-six".