89646997 has 16 divisors (see below), whose sum is σ = 103406400. Its totient is φ = 76861440.

The previous prime is 89646989. The next prime is 89647007. The reversal of 89646997 is 79964698.

It is a cyclic number.

It is not a de Polignac number, because 89646997 - 2³ = 89646989 is a prime.

It is a super-2 number, since 2×89646997² = 16073168142236018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89646197) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 52879 + ... + 54547.

It is an arithmetic number, because the mean of its divisors is an integer number (6462900).

Almost surely, 2^89646997 is an apocalyptic number.

It is an amenable number.

89646997 is a deficient number, since it is larger than the sum of its proper divisors (13759403).

89646997 is a wasteful number, since it uses less digits than its factorization.

89646997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1956.

The product of its digits is 5878656, while the sum is 58.

The square root of 89646997 is about 9468.2098096736. The cubic root of 89646997 is about 447.5537998008.

The spelling of 89646997 in words is "eighty-nine million, six hundred forty-six thousand, nine hundred ninety-seven".