2439402 has 24 divisors (see below), whose sum is σ = 5599008. Its totient is φ = 694080.

The previous prime is 2439389. The next prime is 2439407. The reversal of 2439402 is 2049342.

It is a happy number.

2439402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2439407) 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 11 ways as a sum of consecutive naturals, for example, 10002 + ... + 10242.

It is an arithmetic number, because the mean of its divisors is an integer number (233292).

2^2439402 is an apocalyptic number.

2439402 is an abundant number, since it is smaller than the sum of its proper divisors (3159606).

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

2439402 is an equidigital number, since it uses as much as digits as its factorization.

2439402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2439402 is about 1561.8585083163. The cubic root of 2439402 is about 134.6153108864.

The spelling of 2439402 in words is "two million, four hundred thirty-nine thousand, four hundred two".