397260515 has 8 divisors (see below), whose sum is σ = 478247328. Its totient is φ = 316785280.

The previous prime is 397260509. The next prime is 397260517. The reversal of 397260515 is 515062793.

It is a happy number.

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

It is not a de Polignac number, because 397260515 - 2¹⁴ = 397244131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397260517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126182 + ... + 129291.

It is an arithmetic number, because the mean of its divisors is an integer number (59780916).

Almost surely, 2^397260515 is an apocalyptic number.

397260515 is a deficient number, since it is larger than the sum of its proper divisors (80986813).

397260515 is a wasteful number, since it uses less digits than its factorization.

397260515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255789.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 397260515 is about 19931.3952095682. The cubic root of 397260515 is about 735.1203869012.

The spelling of 397260515 in words is "three hundred ninety-seven million, two hundred sixty thousand, five hundred fifteen".