9658940 has 12 divisors (see below), whose sum is σ = 20283816. Its totient is φ = 3863568.

The previous prime is 9658939. The next prime is 9658951. The reversal of 9658940 is 498569.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241454 + ... + 241493.

It is an arithmetic number, because the mean of its divisors is an integer number (1690318).

Almost surely, 2^9658940 is an apocalyptic number.

It is an amenable number.

9658940 is an abundant number, since it is smaller than the sum of its proper divisors (10624876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9658940 is a wasteful number, since it uses less digits than its factorization.

9658940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482956 (or 482954 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 9658940 is about 3107.8835242010. The cubic root of 9658940 is about 212.9657787749.

The spelling of 9658940 in words is "nine million, six hundred fifty-eight thousand, nine hundred forty".