89738691 has 16 divisors (see below), whose sum is σ = 143942400. Its totient is φ = 48580128.

The previous prime is 89738659. The next prime is 89738723. The reversal of 89738691 is 19683798.

It is an interprime number because it is at equal distance from previous prime (89738659) and next prime (89738723).

It is not a de Polignac number, because 89738691 - 2⁵ = 89738659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89738641) 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, 112056 + ... + 112853.

It is an arithmetic number, because the mean of its divisors is an integer number (8996400).

Almost surely, 2^89738691 is an apocalyptic number.

89738691 is a deficient number, since it is larger than the sum of its proper divisors (54203709).

89738691 is a wasteful number, since it uses less digits than its factorization.

89738691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224938.

The product of its digits is 653184, while the sum is 51.

The square root of 89738691 is about 9473.0507757533. The cubic root of 89738691 is about 447.7063388921.

The spelling of 89738691 in words is "eighty-nine million, seven hundred thirty-eight thousand, six hundred ninety-one".