397313 has 8 divisors (see below), whose sum is σ = 457920. Its totient is φ = 337680.

The previous prime is 397303. The next prime is 397337. The reversal of 397313 is 313793.

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

It is not a de Polignac number, because 397313 - 2⁴ = 397297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397303) 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, 1343 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (57240).

It is a Proth number, since it is equal to 97 ⋅ 2¹² + 1 and 97 < 2¹².

2³⁹⁷³¹³ is an apocalyptic number.

It is an amenable number.

397313 is a deficient number, since it is larger than the sum of its proper divisors (60607).

397313 is a wasteful number, since it uses less digits than its factorization.

397313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487.

The product of its digits is 1701, while the sum is 26.

The square root of 397313 is about 630.3276925536. The cubic root of 397313 is about 73.5152759524.

The spelling of 397313 in words is "three hundred ninety-seven thousand, three hundred thirteen".