397339773 has 8 divisors (see below), whose sum is σ = 530462688. Its totient is φ = 264555024.

The previous prime is 397339751. The next prime is 397339801. The reversal of 397339773 is 377933793.

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

It is not a de Polignac number, because 397339773 - 2¹⁴ = 397323389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397339703) 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, 81786 + ... + 86507.

It is an arithmetic number, because the mean of its divisors is an integer number (66307836).

Almost surely, 2^397339773 is an apocalyptic number.

It is an amenable number.

397339773 is a deficient number, since it is larger than the sum of its proper divisors (133122915).

397339773 is a wasteful number, since it uses less digits than its factorization.

397339773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169083.

The product of its digits is 2250423, while the sum is 51.

The square root of 397339773 is about 19933.3833806507. The cubic root of 397339773 is about 735.1692719486.

The spelling of 397339773 in words is "three hundred ninety-seven million, three hundred thirty-nine thousand, seven hundred seventy-three".