7976397 has 16 divisors (see below), whose sum is σ = 12495168. Its totient is φ = 4462080.

The previous prime is 7976389. The next prime is 7976399. The reversal of 7976397 is 7936797.

It is not a de Polignac number, because 7976397 - 2³ = 7976389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7976399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8868 + ... + 9725.

It is an arithmetic number, because the mean of its divisors is an integer number (780948).

Almost surely, 2^7976397 is an apocalyptic number.

It is an amenable number.

7976397 is a deficient number, since it is larger than the sum of its proper divisors (4518771).

7976397 is a wasteful number, since it uses less digits than its factorization.

7976397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620.

The product of its digits is 500094, while the sum is 48.

The square root of 7976397 is about 2824.2515822780. The cubic root of 7976397 is about 199.8031145776.

The spelling of 7976397 in words is "seven million, nine hundred seventy-six thousand, three hundred ninety-seven".