397474627 has 8 divisors (see below), whose sum is σ = 433980720. Its totient is φ = 361030560.

The previous prime is 397474607. The next prime is 397474639. The reversal of 397474627 is 726474793.

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

It is a de Polignac number, because none of the positive numbers 2^k-397474627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397474607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 28237.

It is an arithmetic number, because the mean of its divisors is an integer number (54247590).

Almost surely, 2^397474627 is an apocalyptic number.

397474627 is a deficient number, since it is larger than the sum of its proper divisors (36506093).

397474627 is a wasteful number, since it uses less digits than its factorization.

397474627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31013.

The product of its digits is 1778112, while the sum is 49.

The square root of 397474627 is about 19936.7657106162. The cubic root of 397474627 is about 735.2524327680.

The spelling of 397474627 in words is "three hundred ninety-seven million, four hundred seventy-four thousand, six hundred twenty-seven".