7928620 has 24 divisors (see below), whose sum is σ = 19029024. Its totient is φ = 2718336.

The previous prime is 7928617. The next prime is 7928623. The reversal of 7928620 is 268297.

It is an interprime number because it is at equal distance from previous prime (7928617) and next prime (7928623).

It is not an unprimeable number, because it can be changed into a prime (7928623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28177 + ... + 28456.

It is an arithmetic number, because the mean of its divisors is an integer number (792876).

Almost surely, 2^7928620 is an apocalyptic number.

7928620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7928620 is an abundant number, since it is smaller than the sum of its proper divisors (11100404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7928620 is a wasteful number, since it uses less digits than its factorization.

7928620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56649 (or 56647 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 7928620 is about 2815.7805312204. The cubic root of 7928620 is about 199.4033887112.

The spelling of 7928620 in words is "seven million, nine hundred twenty-eight thousand, six hundred twenty".