89520988 has 12 divisors (see below), whose sum is σ = 157714200. Its totient is φ = 44459792.

The previous prime is 89520979. The next prime is 89521001. The reversal of 89520988 is 88902598.

It is a happy number.

It is a super-2 number, since 2×89520988² = 16028014584992288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74506 + ... + 75697.

It is an arithmetic number, because the mean of its divisors is an integer number (13142850).

Almost surely, 2^89520988 is an apocalyptic number.

It is an amenable number.

89520988 is a deficient number, since it is larger than the sum of its proper divisors (68193212).

89520988 is a wasteful number, since it uses less digits than its factorization.

89520988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150356 (or 150354 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 49.

The square root of 89520988 is about 9461.5531494570. The cubic root of 89520988 is about 447.3440056346.

The spelling of 89520988 in words is "eighty-nine million, five hundred twenty thousand, nine hundred eighty-eight".