89646513 has 16 divisors (see below), whose sum is σ = 134602752. Its totient is φ = 52578000.

The previous prime is 89646509. The next prime is 89646533. The reversal of 89646513 is 31564698.

It is not a de Polignac number, because 89646513 - 2² = 89646509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89646533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42793 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (8412672).

Almost surely, 2^89646513 is an apocalyptic number.

It is an amenable number.

89646513 is a deficient number, since it is larger than the sum of its proper divisors (44956239).

89646513 is a wasteful number, since it uses less digits than its factorization.

89646513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87676.

The product of its digits is 155520, while the sum is 42.

The square root of 89646513 is about 9468.1842504252. The cubic root of 89646513 is about 447.5529943586.

The spelling of 89646513 in words is "eighty-nine million, six hundred forty-six thousand, five hundred thirteen".