7897974 has 32 divisors (see below), whose sum is σ = 18441216. Its totient is φ = 2208000.

The previous prime is 7897961. The next prime is 7897987. The reversal of 7897974 is 4797987.

7897974 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7897961) and next prime (7897987).

It is a congruent number.

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, 27 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (576288).

Almost surely, 2^7897974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7897974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9220608).

7897974 is an abundant number, since it is smaller than the sum of its proper divisors (10543242).

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

7897974 is a wasteful number, since it uses less digits than its factorization.

7897974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060.

The product of its digits is 889056, while the sum is 51.

The square root of 7897974 is about 2810.3334321749. Note that the first 3 decimals coincide. The cubic root of 7897974 is about 199.1461431635.

The spelling of 7897974 in words is "seven million, eight hundred ninety-seven thousand, nine hundred seventy-four".