2492842 has 12 divisors (see below), whose sum is σ = 4110498. Its totient is φ = 1133000.

The previous prime is 2492827. The next prime is 2492843. The reversal of 2492842 is 2482942.

It can be written as a sum of positive squares in only one way, i.e., 1490841 + 1002001 = 1221^2 + 1001^2 .

It is a super-2 number, since 2×2492842² = 12428522473928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2492843) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4909 + ... + 5392.

2^2492842 is an apocalyptic number.

2492842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2492842 is a deficient number, since it is larger than the sum of its proper divisors (1617656).

2492842 is a wasteful number, since it uses less digits than its factorization.

2492842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10325 (or 10314 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2492842 is about 1578.8736491563. The cubic root of 2492842 is about 135.5912249987.

The spelling of 2492842 in words is "two million, four hundred ninety-two thousand, eight hundred forty-two".