397381546 has 8 divisors (see below), whose sum is σ = 596349504. Its totient is φ = 198598380.

The previous prime is 397381513. The next prime is 397381573. The reversal of 397381546 is 645183793.

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

It is a junction number, because it is equal to n+sod(n) for n = 397381496 and 397381505.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40690 + ... + 49501.

It is an arithmetic number, because the mean of its divisors is an integer number (74543688).

Almost surely, 2^397381546 is an apocalyptic number.

397381546 is a deficient number, since it is larger than the sum of its proper divisors (198967958).

397381546 is a wasteful number, since it uses less digits than its factorization.

397381546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92396.

The product of its digits is 544320, while the sum is 46.

The square root of 397381546 is about 19934.4311682074. The cubic root of 397381546 is about 735.1950342407.

The spelling of 397381546 in words is "three hundred ninety-seven million, three hundred eighty-one thousand, five hundred forty-six".