7979228 has 6 divisors (see below), whose sum is σ = 13963656. Its totient is φ = 3989612.

The previous prime is 7979201. The next prime is 7979243. The reversal of 7979228 is 8229797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 997400 + ... + 997407.

It is an arithmetic number, because the mean of its divisors is an integer number (2327276).

Almost surely, 2^7979228 is an apocalyptic number.

It is an amenable number.

7979228 is a deficient number, since it is larger than the sum of its proper divisors (5984428).

7979228 is a wasteful number, since it uses less digits than its factorization.

7979228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994811 (or 1994809 counting only the distinct ones).

The product of its digits is 127008, while the sum is 44.

The square root of 7979228 is about 2824.7527325414. The cubic root of 7979228 is about 199.8267499655.

The spelling of 7979228 in words is "seven million, nine hundred seventy-nine thousand, two hundred twenty-eight".