89870146 has 4 divisors (see below), whose sum is σ = 134805222. Its totient is φ = 44935072.

The previous prime is 89870119. The next prime is 89870161. The reversal of 89870146 is 64107898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64107898 = 2 ⋅32053949.

It can be written as a sum of positive squares in only one way, i.e., 48846121 + 41024025 = 6989^2 + 6405^2 .

It is a super-2 number, since 2×89870146² = 16153286284122632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22467535 + ... + 22467538.

Almost surely, 2^89870146 is an apocalyptic number.

89870146 is a deficient number, since it is larger than the sum of its proper divisors (44935076).

89870146 is a wasteful number, since it uses less digits than its factorization.

89870146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44935075.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 89870146 is about 9479.9866033661. The cubic root of 89870146 is about 447.9248419040.

The spelling of 89870146 in words is "eighty-nine million, eight hundred seventy thousand, one hundred forty-six".