2490442 has 8 divisors (see below), whose sum is σ = 3742596. Its totient is φ = 1242912.

The previous prime is 2490421. The next prime is 2490451. The reversal of 2490442 is 2440942.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 724201 = 1329^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 988 + ... + 2440.

2^2490442 is an apocalyptic number.

2490442 is a deficient number, since it is larger than the sum of its proper divisors (1252154).

2490442 is a wasteful number, since it uses less digits than its factorization.

2490442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2490442 is about 1578.1134306507. The cubic root of 2490442 is about 135.5476972462.

The spelling of 2490442 in words is "two million, four hundred ninety thousand, four hundred forty-two".