7947488 has 24 divisors (see below), whose sum is σ = 15807960. Its totient is φ = 3932800.

The previous prime is 7947487. The next prime is 7947493. The reversal of 7947488 is 8847497.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7947487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 4461.

It is an arithmetic number, because the mean of its divisors is an integer number (658665).

Almost surely, 2^7947488 is an apocalyptic number.

It is an amenable number.

7947488 is a deficient number, since it is larger than the sum of its proper divisors (7860472).

7947488 is a wasteful number, since it uses less digits than its factorization.

7947488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2570 (or 2562 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 7947488 is about 2819.1289434859. The cubic root of 7947488 is about 199.5614390243.

Subtracting 7947488 from its reverse (8847497), we obtain a palindrome (900009).

The spelling of 7947488 in words is "seven million, nine hundred forty-seven thousand, four hundred eighty-eight".