89646897 has 4 divisors (see below), whose sum is σ = 119529200. Its totient is φ = 59764596.

The previous prime is 89646877. The next prime is 89646919. The reversal of 89646897 is 79864698.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 89646897 - 2⁶ = 89646833 is a prime.

It is a super-2 number, since 2×89646897² = 16073132283457218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89646857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14941147 + ... + 14941152.

It is an arithmetic number, because the mean of its divisors is an integer number (29882300).

Almost surely, 2^89646897 is an apocalyptic number.

It is an amenable number.

89646897 is a deficient number, since it is larger than the sum of its proper divisors (29882303).

89646897 is a wasteful number, since it uses less digits than its factorization.

89646897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29882302.

The product of its digits is 5225472, while the sum is 57.

The square root of 89646897 is about 9468.2045288428. The cubic root of 89646897 is about 447.5536333874.

The spelling of 89646897 in words is "eighty-nine million, six hundred forty-six thousand, eight hundred ninety-seven".