89749337 has 4 divisors (see below), whose sum is σ = 89819520. Its totient is φ = 89679156.

The previous prime is 89749327. The next prime is 89749349. The reversal of 89749337 is 73394798.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89749337 - 2⁸ = 89749081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89749327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33137 + ... + 35742.

It is an arithmetic number, because the mean of its divisors is an integer number (22454880).

Almost surely, 2^89749337 is an apocalyptic number.

It is an amenable number.

89749337 is a deficient number, since it is larger than the sum of its proper divisors (70183).

89749337 is a wasteful number, since it uses less digits than its factorization.

89749337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70182.

The product of its digits is 1143072, while the sum is 50.

The square root of 89749337 is about 9473.6126688819. The cubic root of 89749337 is about 447.7240424904.

The spelling of 89749337 in words is "eighty-nine million, seven hundred forty-nine thousand, three hundred thirty-seven".