89442634 has 4 divisors (see below), whose sum is σ = 134163954. Its totient is φ = 44721316.

The previous prime is 89442631. The next prime is 89442659. The reversal of 89442634 is 43624498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43624498 = 2 ⋅21812249.

It can be written as a sum of positive squares in only one way, i.e., 68310225 + 21132409 = 8265^2 + 4597^2 .

It is not an unprimeable number, because it can be changed into a prime (89442631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22360657 + ... + 22360660.

Almost surely, 2^89442634 is an apocalyptic number.

89442634 is a deficient number, since it is larger than the sum of its proper divisors (44721320).

89442634 is a wasteful number, since it uses less digits than its factorization.

89442634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44721319.

The product of its digits is 165888, while the sum is 40.

The square root of 89442634 is about 9457.4115909164. The cubic root of 89442634 is about 447.2134536666.

The spelling of 89442634 in words is "eighty-nine million, four hundred forty-two thousand, six hundred thirty-four".