7897164 has 48 divisors (see below), whose sum is σ = 20805120. Its totient is φ = 2309440.

The previous prime is 7897147. The next prime is 7897177. The reversal of 7897164 is 4617987.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2797 + ... + 4859.

It is an arithmetic number, because the mean of its divisors is an integer number (433440).

Almost surely, 2^7897164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10402560).

7897164 is an abundant number, since it is smaller than the sum of its proper divisors (12907956).

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

7897164 is a wasteful number, since it uses less digits than its factorization.

7897164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2108 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 7897164 is about 2810.1893174660. The cubic root of 7897164 is about 199.1393349242.

The spelling of 7897164 in words is "seven million, eight hundred ninety-seven thousand, one hundred sixty-four".