7956428 has 6 divisors (see below), whose sum is σ = 13923756. Its totient is φ = 3978212.

The previous prime is 7956427. The next prime is 7956437. The reversal of 7956428 is 8246597.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7956427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994550 + ... + 994557.

It is an arithmetic number, because the mean of its divisors is an integer number (2320626).

Almost surely, 2^7956428 is an apocalyptic number.

It is an amenable number.

7956428 is a deficient number, since it is larger than the sum of its proper divisors (5967328).

7956428 is a wasteful number, since it uses less digits than its factorization.

7956428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989111 (or 1989109 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 7956428 is about 2820.7140939840. The cubic root of 7956428 is about 199.6362387900.

The spelling of 7956428 in words is "seven million, nine hundred fifty-six thousand, four hundred twenty-eight".