89134749 has 40 divisors (see below), whose sum is σ = 147407040. Its totient is φ = 53222400.

The previous prime is 89134741. The next prime is 89134753. The reversal of 89134749 is 94743198.

It is not a de Polignac number, because 89134749 - 2³ = 89134741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89134741) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62557 + ... + 63965.

It is an arithmetic number, because the mean of its divisors is an integer number (3685176).

Almost surely, 2^89134749 is an apocalyptic number.

It is an amenable number.

89134749 is a deficient number, since it is larger than the sum of its proper divisors (58272291).

89134749 is a wasteful number, since it uses less digits than its factorization.

89134749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1494 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 89134749 is about 9441.1201136306. The cubic root of 89134749 is about 446.6997217561.

The spelling of 89134749 in words is "eighty-nine million, one hundred thirty-four thousand, seven hundred forty-nine".