89815396 has 18 divisors (see below), whose sum is σ = 172765670. Its totient is φ = 40824960.

The previous prime is 89815387. The next prime is 89815399. The reversal of 89815396 is 69351898.

It can be written as a sum of positive squares in only one way, i.e., 68062500 + 21752896 = 8250^2 + 4664^2 .

It is not an unprimeable number, because it can be changed into a prime (89815399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92301 + ... + 93268.

Almost surely, 2^89815396 is an apocalyptic number.

It is an amenable number.

89815396 is a deficient number, since it is larger than the sum of its proper divisors (82950274).

89815396 is a wasteful number, since it uses less digits than its factorization.

89815396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185595 (or 185582 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 89815396 is about 9477.0985011236. The cubic root of 89815396 is about 447.8338629826.

The spelling of 89815396 in words is "eighty-nine million, eight hundred fifteen thousand, three hundred ninety-six".