2870317 has 4 divisors (see below), whose sum is σ = 2910816. Its totient is φ = 2829820.

The previous prime is 2870279. The next prime is 2870323. The reversal of 2870317 is 7130782.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2870317 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 (2870017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20143 + ... + 20284.

It is an arithmetic number, because the mean of its divisors is an integer number (727704).

2^2870317 is an apocalyptic number.

It is an amenable number.

2870317 is a deficient number, since it is larger than the sum of its proper divisors (40499).

2870317 is an equidigital number, since it uses as much as digits as its factorization.

2870317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40498.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2870317 is about 1694.2009916182. The cubic root of 2870317 is about 142.1161022296.

The spelling of 2870317 in words is "two million, eight hundred seventy thousand, three hundred seventeen".