7897892 has 12 divisors (see below), whose sum is σ = 13848156. Its totient is φ = 3941280.

The previous prime is 7897873. The next prime is 7897907. The reversal of 7897892 is 2987987.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 5635876 = 1504^2 + 2374^2 .

It is a d-powerful number, because it can be written as 7⁴ + 8⁵ + 9 + 7⁸ + 8⁷ + 9³ + 2⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 7897892.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842 + ... + 4062.

It is an arithmetic number, because the mean of its divisors is an integer number (1154013).

Almost surely, 2^7897892 is an apocalyptic number.

It is an amenable number.

7897892 is a deficient number, since it is larger than the sum of its proper divisors (5950264).

7897892 is a wasteful number, since it uses less digits than its factorization.

7897892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3836 counting only the distinct ones).

The product of its digits is 508032, while the sum is 50.

The square root of 7897892 is about 2810.3188431208. The cubic root of 7897892 is about 199.1454539556.

The spelling of 7897892 in words is "seven million, eight hundred ninety-seven thousand, eight hundred ninety-two".