2390715 has 20 divisors (see below), whose sum is σ = 4286304. Its totient is φ = 1274832.

The previous prime is 2390711. The next prime is 2390723. The reversal of 2390715 is 5170932.

It is not a de Polignac number, because 2390715 - 2² = 2390711 is a prime.

It is a super-2 number, since 2×2390715² = 11431036422450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

2390715 is a lucky number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2390711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2547 + ... + 3356.

2^2390715 is an apocalyptic number.

2390715 is a deficient number, since it is larger than the sum of its proper divisors (1895589).

2390715 is an equidigital number, since it uses as much as digits as its factorization.

2390715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5920 (or 5911 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2390715 is about 1546.1937136077. The cubic root of 2390715 is about 133.7137089648.

The spelling of 2390715 in words is "two million, three hundred ninety thousand, seven hundred fifteen".