7897912 has 48 divisors (see below), whose sum is σ = 16758000. Its totient is φ = 3484800.

The previous prime is 7897907. The next prime is 7897951. The reversal of 7897912 is 2197987.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39589 + ... + 39787.

It is an arithmetic number, because the mean of its divisors is an integer number (349125).

Almost surely, 2^7897912 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 7897912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8379000).

7897912 is an abundant number, since it is smaller than the sum of its proper divisors (8860088).

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

7897912 is a wasteful number, since it uses less digits than its factorization.

7897912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 253 counting only the distinct ones).

The product of its digits is 63504, while the sum is 43.

The square root of 7897912 is about 2810.3224014337. The cubic root of 7897912 is about 199.1456220555.

The spelling of 7897912 in words is "seven million, eight hundred ninety-seven thousand, nine hundred twelve".