2490345 has 80 divisors (see below), whose sum is σ = 5366592. Its totient is φ = 1088640.

The previous prime is 2490337. The next prime is 2490377. The reversal of 2490345 is 5430942.

2490345 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 2490345 - 2³ = 2490337 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 57894 + ... + 57936.

2^2490345 is an apocalyptic number.

It is an amenable number.

2490345 is an abundant number, since it is smaller than the sum of its proper divisors (2876247).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2490345 is a wasteful number, since it uses less digits than its factorization.

2490345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2490345 is about 1578.0826974528. The cubic root of 2490345 is about 135.5459374117.

2490345 divided by its sum of digits (27) gives a triangular number (92235 = T₄₂₉).

The spelling of 2490345 in words is "two million, four hundred ninety thousand, three hundred forty-five".