89744961 has 24 divisors (see below), whose sum is σ = 127284480. Its totient is φ = 56235744.

The previous prime is 89744947. The next prime is 89744971. The reversal of 89744961 is 16944798.

It is not a de Polignac number, because 89744961 - 2⁷ = 89744833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89744961.

It is not an unprimeable number, because it can be changed into a prime (89744971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187120 + ... + 187598.

It is an arithmetic number, because the mean of its divisors is an integer number (5303520).

Almost surely, 2^89744961 is an apocalyptic number.

It is an amenable number.

89744961 is a deficient number, since it is larger than the sum of its proper divisors (37539519).

89744961 is a wasteful number, since it uses less digits than its factorization.

89744961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 674 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 89744961 is about 9473.3817087669. The cubic root of 89744961 is about 447.7167656595.

The spelling of 89744961 in words is "eighty-nine million, seven hundred forty-four thousand, nine hundred sixty-one".