89402556 has 12 divisors (see below), whose sum is σ = 208605992. Its totient is φ = 29800848.

The previous prime is 89402531. The next prime is 89402557. The reversal of 89402556 is 65520498.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89402557) by changing a digit.

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, 3725095 + ... + 3725118.

Almost surely, 2^89402556 is an apocalyptic number.

It is an amenable number.

89402556 is an abundant number, since it is smaller than the sum of its proper divisors (119203436).

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

89402556 is a wasteful number, since it uses less digits than its factorization.

89402556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450220 (or 7450218 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 89402556 is about 9455.2924862217. The cubic root of 89402556 is about 447.1466469782.

The spelling of 89402556 in words is "eighty-nine million, four hundred two thousand, five hundred fifty-six".