397094715 has 12 divisors (see below), whose sum is σ = 688297584. Its totient is φ = 211783824.

The previous prime is 397094713. The next prime is 397094743. The reversal of 397094715 is 517490793.

It is not a de Polignac number, because 397094715 - 2¹ = 397094713 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 8824327 = 397094715 / (3 + 9 + 7 + 0 + 9 + 4 + 7 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (397094713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4412119 + ... + 4412208.

It is an arithmetic number, because the mean of its divisors is an integer number (57358132).

Almost surely, 2^397094715 is an apocalyptic number.

397094715 is a deficient number, since it is larger than the sum of its proper divisors (291202869).

397094715 is a wasteful number, since it uses less digits than its factorization.

397094715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8824338 (or 8824335 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The square root of 397094715 is about 19927.2355082184. The cubic root of 397094715 is about 735.0181031221.

The spelling of 397094715 in words is "three hundred ninety-seven million, ninety-four thousand, seven hundred fifteen".