397409703 has 8 divisors (see below), whose sum is σ = 530120448. Its totient is φ = 264819384.

The previous prime is 397409687. The next prime is 397409713. The reversal of 397409703 is 307904793.

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

It is not a de Polignac number, because 397409703 - 2⁴ = 397409687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397409713) 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, 22101 + ... + 35822.

It is an arithmetic number, because the mean of its divisors is an integer number (66265056).

Almost surely, 2^397409703 is an apocalyptic number.

397409703 is a deficient number, since it is larger than the sum of its proper divisors (132710745).

397409703 is a wasteful number, since it uses less digits than its factorization.

397409703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60213.

The product of its (nonzero) digits is 142884, while the sum is 42.

The square root of 397409703 is about 19935.1373960653. The cubic root of 397409703 is about 735.2123982391.

The spelling of 397409703 in words is "three hundred ninety-seven million, four hundred nine thousand, seven hundred three".