2478490 has 16 divisors (see below), whose sum is σ = 5098752. Its totient is φ = 849744.

The previous prime is 2478479. The next prime is 2478517. The reversal of 2478490 is 948742.

It is a happy number.

2478490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2478490² = 12285825360200, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2²¹ + 4⁵ + 7⁶ + 8³ + 4⁹ + 9 + 0 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17634 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (318672).

2^2478490 is an apocalyptic number.

2478490 is an abundant number, since it is smaller than the sum of its proper divisors (2620262).

2478490 is a wasteful number, since it uses less digits than its factorization.

2478490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35421.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2478490 is about 1574.3220763236. The cubic root of 2478490 is about 135.3305116147.

The spelling of 2478490 in words is "two million, four hundred seventy-eight thousand, four hundred ninety".