2404390 has 16 divisors (see below), whose sum is σ = 4477680. Its totient is φ = 928480.

The previous prime is 2404387. The next prime is 2404399. The reversal of 2404390 is 934042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404399) 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, 3856 + ... + 4435.

It is an arithmetic number, because the mean of its divisors is an integer number (279855).

2^2404390 is an apocalyptic number.

2404390 is a deficient number, since it is larger than the sum of its proper divisors (2073290).

2404390 is a wasteful number, since it uses less digits than its factorization.

2404390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8327.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 2404390 is about 1550.6095575612. The cubic root of 2404390 is about 133.9681739223.

The spelling of 2404390 in words is "two million, four hundred four thousand, three hundred ninety".