2539438 has 8 divisors (see below), whose sum is σ = 4155480. Its totient is φ = 1154280.

The previous prime is 2539429. The next prime is 2539441. The reversal of 2539438 is 8349352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57693 + ... + 57736.

It is an arithmetic number, because the mean of its divisors is an integer number (519435).

2^2539438 is an apocalyptic number.

2539438 is a deficient number, since it is larger than the sum of its proper divisors (1616042).

2539438 is a wasteful number, since it uses less digits than its factorization.

2539438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115442.

The product of its digits is 25920, while the sum is 34.

The square root of 2539438 is about 1593.5614202157. The cubic root of 2539438 is about 136.4308352701.

The spelling of 2539438 in words is "two million, five hundred thirty-nine thousand, four hundred thirty-eight".