7897412 has 6 divisors (see below), whose sum is σ = 13820478. Its totient is φ = 3948704.

The previous prime is 7897411. The next prime is 7897453. The reversal of 7897412 is 2147987.

It can be written as a sum of positive squares in only one way, i.e., 6885376 + 1012036 = 2624^2 + 1006^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7897411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 987173 + ... + 987180.

It is an arithmetic number, because the mean of its divisors is an integer number (2303413).

Almost surely, 2^7897412 is an apocalyptic number.

It is an amenable number.

7897412 is a deficient number, since it is larger than the sum of its proper divisors (5923066).

7897412 is a wasteful number, since it uses less digits than its factorization.

7897412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974357 (or 1974355 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 7897412 is about 2810.2334422606. The cubic root of 7897412 is about 199.1414194716.

The spelling of 7897412 in words is "seven million, eight hundred ninety-seven thousand, four hundred twelve".