8402961 has 12 divisors (see below), whose sum is σ = 13033392. Its totient is φ = 4801608.

The previous prime is 8402951. The next prime is 8402963. The reversal of 8402961 is 1692048.

It is not a de Polignac number, because 8402961 - 2⁷ = 8402833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8402963) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28435 + ... + 28728.

It is an arithmetic number, because the mean of its divisors is an integer number (1086116).

Almost surely, 2^8402961 is an apocalyptic number.

It is an amenable number.

8402961 is a deficient number, since it is larger than the sum of its proper divisors (4630431).

8402961 is a wasteful number, since it uses less digits than its factorization.

8402961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57180 (or 57173 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 8402961 is about 2898.7861252600. The cubic root of 8402961 is about 203.3031538714.

The spelling of 8402961 in words is "eight million, four hundred two thousand, nine hundred sixty-one".