7961328 has 50 divisors (see below), whose sum is σ = 23046144. Its totient is φ = 2653344.

The previous prime is 7961299. The next prime is 7961333. The reversal of 7961328 is 8231697.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 7961292 and 7961301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1776 + ... + 4367.

Almost surely, 2^7961328 is an apocalyptic number.

It is an amenable number.

7961328 is an abundant number, since it is smaller than the sum of its proper divisors (15084816).

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

7961328 is a wasteful number, since it uses less digits than its factorization.

7961328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6148 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 7961328 is about 2821.5825346780. The cubic root of 7961328 is about 199.6772126552.

The spelling of 7961328 in words is "seven million, nine hundred sixty-one thousand, three hundred twenty-eight".