397676534 has 8 divisors (see below), whose sum is σ = 596660520. Its totient is φ = 198789696.

The previous prime is 397676501. The next prime is 397676537. The reversal of 397676534 is 435676793.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397676537) 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, 13004 + ... + 31055.

It is an arithmetic number, because the mean of its divisors is an integer number (74582565).

Almost surely, 2^397676534 is an apocalyptic number.

397676534 is a deficient number, since it is larger than the sum of its proper divisors (198983986).

397676534 is a wasteful number, since it uses less digits than its factorization.

397676534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48574.

The product of its digits is 2857680, while the sum is 50.

The square root of 397676534 is about 19941.8287526495. The cubic root of 397676534 is about 735.3769082047.

The spelling of 397676534 in words is "three hundred ninety-seven million, six hundred seventy-six thousand, five hundred thirty-four".