2479138 has 4 divisors (see below), whose sum is σ = 3718710. Its totient is φ = 1239568.

The previous prime is 2479129. The next prime is 2479151. The reversal of 2479138 is 8319742.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1361889 + 1117249 = 1167^2 + 1057^2 .

It is a super-2 number, since 2×2479138² = 12292250446088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 619783 + ... + 619786.

2^2479138 is an apocalyptic number.

2479138 is a deficient number, since it is larger than the sum of its proper divisors (1239572).

2479138 is a wasteful number, since it uses less digits than its factorization.

2479138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239571.

The product of its digits is 12096, while the sum is 34.

The square root of 2479138 is about 1574.5278657426. The cubic root of 2479138 is about 135.3423046191.

The spelling of 2479138 in words is "two million, four hundred seventy-nine thousand, one hundred thirty-eight".