2490765 has 16 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 1299776.

The previous prime is 2490743. The next prime is 2490769. The reversal of 2490765 is 5670942.

It is a cyclic number.

It is not a de Polignac number, because 2490765 - 2⁶ = 2490701 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 2¹¹ + 4⁶ + 9⁶ + 0 + 7² + 6 + 5⁹ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490769) 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, 1062 + ... + 2471.

It is an arithmetic number, because the mean of its divisors is an integer number (254448).

2^2490765 is an apocalyptic number.

It is an amenable number.

2490765 is a deficient number, since it is larger than the sum of its proper divisors (1580403).

2490765 is a wasteful number, since it uses less digits than its factorization.

2490765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2490765 is about 1578.2157647166. The cubic root of 2490765 is about 135.5535569843.

The spelling of 2490765 in words is "two million, four hundred ninety thousand, seven hundred sixty-five".