2390045 has 16 divisors (see below), whose sum is σ = 3421440. Its totient is φ = 1567104.

The previous prime is 2390033. The next prime is 2390051. The reversal of 2390045 is 5400932.

It is not a de Polignac number, because 2390045 - 2¹⁰ = 2389021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 2390045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 680 + ... + 2289.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

2^2390045 is an apocalyptic number.

It is an amenable number.

2390045 is a deficient number, since it is larger than the sum of its proper divisors (1031395).

2390045 is a wasteful number, since it uses less digits than its factorization.

2390045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 2390045 is about 1545.9770373456. The cubic root of 2390045 is about 133.7012166692.

Adding to 2390045 its reverse (5400932), we get a palindrome (7790977).

The spelling of 2390045 in words is "two million, three hundred ninety thousand, forty-five".