970815 has 16 divisors (see below), whose sum is σ = 1580256. Its totient is φ = 508800.

The previous prime is 970813. The next prime is 970817. The reversal of 970815 is 518079.

It is an interprime number because it is at equal distance from previous prime (970813) and next prime (970817).

It is not a de Polignac number, because 970815 - 2¹ = 970813 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (98766).

2⁹⁷⁰⁸¹⁵ is an apocalyptic number.

970815 is a deficient number, since it is larger than the sum of its proper divisors (609441).

970815 is a wasteful number, since it uses less digits than its factorization.

970815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its (nonzero) digits is 2520, while the sum is 30.

The square root of 970815 is about 985.2994468688. The cubic root of 970815 is about 99.0175461197.

The spelling of 970815 in words is "nine hundred seventy thousand, eight hundred fifteen".