397265611 has 8 divisors (see below), whose sum is σ = 404457248. Its totient is φ = 390096000.

The previous prime is 397265599. The next prime is 397265621. The reversal of 397265611 is 116562793.

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 397265611 - 2¹⁷ = 397134539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397265621) 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, 33331 + ... + 43651.

It is an arithmetic number, because the mean of its divisors is an integer number (50557156).

Almost surely, 2^397265611 is an apocalyptic number.

397265611 is a deficient number, since it is larger than the sum of its proper divisors (7191637).

397265611 is a wasteful number, since it uses less digits than its factorization.

397265611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11013.

The product of its digits is 68040, while the sum is 40.

The square root of 397265611 is about 19931.5230476750. The cubic root of 397265611 is about 735.1235302269.

The spelling of 397265611 in words is "three hundred ninety-seven million, two hundred sixty-five thousand, six hundred eleven".