2490220 has 24 divisors (see below), whose sum is σ = 5292000. Its totient is φ = 984192.

The previous prime is 2490209. The next prime is 2490221. The reversal of 2490220 is 220942.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 2479.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

2^2490220 is an apocalyptic number.

2490220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2490220 is an abundant number, since it is smaller than the sum of its proper divisors (2801780).

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

2490220 is a wasteful number, since it uses less digits than its factorization.

2490220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1495 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2490220 is about 1578.0430919338. The cubic root of 2490220 is about 135.5436695163.

The spelling of 2490220 in words is "two million, four hundred ninety thousand, two hundred twenty".