8990961 has 24 divisors (see below), whose sum is σ = 14402304. Its totient is φ = 4969440.

The previous prime is 8990939. The next prime is 8990981. The reversal of 8990961 is 1690998.

It is not a de Polignac number, because 8990961 - 2⁵ = 8990929 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8990981) 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, 3571 + ... + 5543.

It is an arithmetic number, because the mean of its divisors is an integer number (600096).

Almost surely, 2^8990961 is an apocalyptic number.

It is an amenable number.

8990961 is a deficient number, since it is larger than the sum of its proper divisors (5411343).

8990961 is a wasteful number, since it uses less digits than its factorization.

8990961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 8990961 is about 2998.4931215529. The cubic root of 8990961 is about 207.9387223954.

The spelling of 8990961 in words is "eight million, nine hundred ninety thousand, nine hundred sixty-one".