2492490 has 128 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 472320.

The previous prime is 2492461. The next prime is 2492509. The reversal of 2492490 is 942942.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 2¹¹ + 4⁸ + 9⁴ + 2²¹ + 4⁹ + 9⁵ + 0 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29989 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (63504).

2^2492490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2492490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064256).

2492490 is an abundant number, since it is smaller than the sum of its proper divisors (5636022).

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

2492490 is a wasteful number, since it uses less digits than its factorization.

2492490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 2492490 is about 1578.7621733497. The cubic root of 2492490 is about 135.5848426771.

The spelling of 2492490 in words is "two million, four hundred ninety-two thousand, four hundred ninety".