2490340 has 24 divisors (see below), whose sum is σ = 5359032. Its totient is φ = 971520.

The previous prime is 2490337. The next prime is 2490377. The reversal of 2490340 is 430942.

2490340 = T₄₈₉ + T₄₉₀ + ... + T₅₀₈.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 2359296 = 362^2 + 1536^2 .

It is a super-3 number, since 3×2490340³ = 46333721896713912000, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 699 + ... + 2338.

It is an arithmetic number, because the mean of its divisors is an integer number (223293).

2^2490340 is an apocalyptic number.

2490340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490340 is an abundant number, since it is smaller than the sum of its proper divisors (2868692).

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

2490340 is a wasteful number, since it uses less digits than its factorization.

2490340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3087 (or 3085 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2490340 is about 1578.0811132512. The cubic root of 2490340 is about 135.5458466973.

The spelling of 2490340 in words is "two million, four hundred ninety thousand, three hundred forty".