9657642 has 16 divisors (see below), whose sum is σ = 19632672. Its totient is φ = 3166320.

The previous prime is 9657619. The next prime is 9657653. The reversal of 9657642 is 2467569.

9657642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9657642.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12828 + ... + 13559.

It is an arithmetic number, because the mean of its divisors is an integer number (1227042).

Almost surely, 2^9657642 is an apocalyptic number.

9657642 is an abundant number, since it is smaller than the sum of its proper divisors (9975030).

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

9657642 is a wasteful number, since it uses less digits than its factorization.

9657642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26453.

The product of its digits is 90720, while the sum is 39.

The square root of 9657642 is about 3107.6746934002. The cubic root of 9657642 is about 212.9562386678.

The spelling of 9657642 in words is "nine million, six hundred fifty-seven thousand, six hundred forty-two".