7970391 has 36 divisors (see below), whose sum is σ = 13652184. Its totient is φ = 4451040.

The previous prime is 7970377. The next prime is 7970471. The reversal of 7970391 is 1930797.

It is not a de Polignac number, because 7970391 - 2⁶ = 7970327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7970311) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13876 + ... + 14438.

Almost surely, 2^7970391 is an apocalyptic number.

7970391 is a deficient number, since it is larger than the sum of its proper divisors (5681793).

7970391 is a wasteful number, since it uses less digits than its factorization.

7970391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 7970391 is about 2823.1880915022. The cubic root of 7970391 is about 199.7529532986.

The spelling of 7970391 in words is "seven million, nine hundred seventy thousand, three hundred ninety-one".