89815492 has 12 divisors (see below), whose sum is σ = 169267756. Its totient is φ = 41453280.

The previous prime is 89815487. The next prime is 89815511. The reversal of 89815492 is 29451898.

It can be written as a sum of positive squares in 2 ways, for example, as 60590656 + 29224836 = 7784^2 + 5406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863559 + ... + 863662.

Almost surely, 2^89815492 is an apocalyptic number.

It is an amenable number.

89815492 is a deficient number, since it is larger than the sum of its proper divisors (79452264).

89815492 is a wasteful number, since it uses less digits than its factorization.

89815492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727238 (or 1727236 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 89815492 is about 9477.1035659636. The cubic root of 89815492 is about 447.8340225396.

The spelling of 89815492 in words is "eighty-nine million, eight hundred fifteen thousand, four hundred ninety-two".