397076767 has 4 divisors (see below), whose sum is σ = 397836520. Its totient is φ = 396317016.

The previous prime is 397076741. The next prime is 397076873. The reversal of 397076767 is 767670793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 397076767 - 2¹⁹ = 396552479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397076467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379092 + ... + 380137.

It is an arithmetic number, because the mean of its divisors is an integer number (99459130).

Almost surely, 2^397076767 is an apocalyptic number.

397076767 is a deficient number, since it is larger than the sum of its proper divisors (759753).

397076767 is an equidigital number, since it uses as much as digits as its factorization.

397076767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759752.

The product of its (nonzero) digits is 2333772, while the sum is 52.

The square root of 397076767 is about 19926.7851646973. The cubic root of 397076767 is about 735.0070291027.

The spelling of 397076767 in words is "three hundred ninety-seven million, seventy-six thousand, seven hundred sixty-seven".