7956321 has 8 divisors (see below), whose sum is σ = 11069760. Its totient is φ = 5073552.

The previous prime is 7956293. The next prime is 7956329. The reversal of 7956321 is 1236597.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7956321 - 2¹⁷ = 7825249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7956329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57586 + ... + 57723.

It is an arithmetic number, because the mean of its divisors is an integer number (1383720).

Almost surely, 2^7956321 is an apocalyptic number.

It is an amenable number.

7956321 is a deficient number, since it is larger than the sum of its proper divisors (3113439).

7956321 is a wasteful number, since it uses less digits than its factorization.

7956321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115335.

The product of its digits is 11340, while the sum is 33.

The square root of 7956321 is about 2820.6951270919. The cubic root of 7956321 is about 199.6353438669.

The spelling of 7956321 in words is "seven million, nine hundred fifty-six thousand, three hundred twenty-one".