397347433 has 8 divisors (see below), whose sum is σ = 458608320. Its totient is φ = 337210800.

The previous prime is 397347427. The next prime is 397347449. The reversal of 397347433 is 334743793.

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

It is a cyclic number.

It is not a de Polignac number, because 397347433 - 2⁹ = 397346921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 397347433.

It is not an unprimeable number, because it can be changed into a prime (397347463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280303 + ... + 281716.

It is an arithmetic number, because the mean of its divisors is an integer number (57326040).

Almost surely, 2^397347433 is an apocalyptic number.

It is an amenable number.

397347433 is a deficient number, since it is larger than the sum of its proper divisors (61260887).

397347433 is a wasteful number, since it uses less digits than its factorization.

397347433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562127.

The product of its digits is 571536, while the sum is 43.

The square root of 397347433 is about 19933.5755197105. The cubic root of 397347433 is about 735.1739961677.

The spelling of 397347433 in words is "three hundred ninety-seven million, three hundred forty-seven thousand, four hundred thirty-three".