2790317 has 6 divisors (see below), whose sum is σ = 2828718. Its totient is φ = 2752344.

The previous prime is 2790311. The next prime is 2790331. The reversal of 2790317 is 7130972.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 64516 = 1651^2 + 254^2 .

It is not a de Polignac number, because 2790317 - 2⁶ = 2790253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2790317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16043 + ... + 16215.

It is an arithmetic number, because the mean of its divisors is an integer number (471453).

2^2790317 is an apocalyptic number.

It is an amenable number.

2790317 is a deficient number, since it is larger than the sum of its proper divisors (38401).

2790317 is an equidigital number, since it uses as much as digits as its factorization.

2790317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 2790317 is about 1670.4241976217. The cubic root of 2790317 is about 140.7833131966.

The spelling of 2790317 in words is "two million, seven hundred ninety thousand, three hundred seventeen".