397613 has 8 divisors (see below), whose sum is σ = 443520. Its totient is φ = 354240.

The previous prime is 397597. The next prime is 397633. The reversal of 397613 is 316793.

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 397613 - 2⁴ = 397597 is a prime.

It is a d-powerful number, because it can be written as 3² + 9 + 6⁷ + 7⁶ + 1 + 3² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397633) 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, 293 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2³⁹⁷⁶¹³ is an apocalyptic number.

It is an amenable number.

397613 is a deficient number, since it is larger than the sum of its proper divisors (45907).

397613 is a wasteful number, since it uses less digits than its factorization.

397613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its digits is 3402, while the sum is 29.

The square root of 397613 is about 630.5656191072. The cubic root of 397613 is about 73.5337744110.

The spelling of 397613 in words is "three hundred ninety-seven thousand, six hundred thirteen".