2404290 has 48 divisors (see below), whose sum is σ = 6656832. Its totient is φ = 544416.

The previous prime is 2404289. The next prime is 2404291. The reversal of 2404290 is 924042.

2404290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2404289) and next prime (2404291).

It is a super-2 number, since 2×2404290² = 11561220808200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404291) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 22417 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (138684).

2^2404290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2404290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3328416).

2404290 is an abundant number, since it is smaller than the sum of its proper divisors (4252542).

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

2404290 is a wasteful number, since it uses less digits than its factorization.

2404290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2404290 is about 1550.5773118423. The cubic root of 2404290 is about 133.9663166247.

The spelling of 2404290 in words is "two million, four hundred four thousand, two hundred ninety".