2490365 has 4 divisors (see below), whose sum is σ = 2988444. Its totient is φ = 1992288.

The previous prime is 2490337. The next prime is 2490377. The reversal of 2490365 is 5630942.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 538756 + 1951609 = 734^2 + 1397^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490365 - 2¹⁰ = 2489341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249032 + ... + 249041.

It is an arithmetic number, because the mean of its divisors is an integer number (747111).

2^2490365 is an apocalyptic number.

It is an amenable number.

2490365 is a deficient number, since it is larger than the sum of its proper divisors (498079).

2490365 is an equidigital number, since it uses as much as digits as its factorization.

2490365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498078.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 2490365 is about 1578.0890342436. The cubic root of 2490365 is about 135.5463002679.

The spelling of 2490365 in words is "two million, four hundred ninety thousand, three hundred sixty-five".