397291159 has 8 divisors (see below), whose sum is σ = 418866480. Its totient is φ = 375782400.

The previous prime is 397291099. The next prime is 397291171. The reversal of 397291159 is 951192793.

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 397291159 - 2¹¹ = 397289111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397201159) 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, 4132 + ... + 28489.

It is an arithmetic number, because the mean of its divisors is an integer number (52358310).

Almost surely, 2^397291159 is an apocalyptic number.

397291159 is a deficient number, since it is larger than the sum of its proper divisors (21575321).

397291159 is a wasteful number, since it uses less digits than its factorization.

397291159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33281.

The product of its digits is 153090, while the sum is 46.

The square root of 397291159 is about 19932.1639316959. The cubic root of 397291159 is about 735.1392883937.

The spelling of 397291159 in words is "three hundred ninety-seven million, two hundred ninety-one thousand, one hundred fifty-nine".