7992428 has 6 divisors (see below), whose sum is σ = 13986756. Its totient is φ = 3996212.

The previous prime is 7992421. The next prime is 7992463. The reversal of 7992428 is 8242997.

It is not an unprimeable number, because it can be changed into a prime (7992421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 999050 + ... + 999057.

It is an arithmetic number, because the mean of its divisors is an integer number (2331126).

Almost surely, 2^7992428 is an apocalyptic number.

It is an amenable number.

7992428 is a deficient number, since it is larger than the sum of its proper divisors (5994328).

7992428 is a wasteful number, since it uses less digits than its factorization.

7992428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998111 (or 1998109 counting only the distinct ones).

The product of its digits is 72576, while the sum is 41.

The square root of 7992428 is about 2827.0882547243. The cubic root of 7992428 is about 199.9368800815.

It can be divided in two parts, 799242 and 8, that multiplied together give a palindrome (6393936).

The spelling of 7992428 in words is "seven million, nine hundred ninety-two thousand, four hundred twenty-eight".