7951628 has 12 divisors (see below), whose sum is σ = 13961472. Its totient is φ = 3962640.

The previous prime is 7951621. The next prime is 7951639. The reversal of 7951628 is 8261597.

It is a junction number, because it is equal to n+sod(n) for n = 7951591 and 7951600.

It is not an unprimeable number, because it can be changed into a prime (7951621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1868 + ... + 4403.

It is an arithmetic number, because the mean of its divisors is an integer number (1163456).

Almost surely, 2^7951628 is an apocalyptic number.

It is an amenable number.

7951628 is a deficient number, since it is larger than the sum of its proper divisors (6009844).

7951628 is a wasteful number, since it uses less digits than its factorization.

7951628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6592 (or 6590 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 7951628 is about 2819.8631172452. The cubic root of 7951628 is about 199.5960848118.

The spelling of 7951628 in words is "seven million, nine hundred fifty-one thousand, six hundred twenty-eight".