2879138 has 8 divisors (see below), whose sum is σ = 4335132. Its totient is φ = 1434096.

The previous prime is 2879131. The next prime is 2879147. The reversal of 2879138 is 8319782.

It can be written as a sum of positive squares in 2 ways, for example, as 2765569 + 113569 = 1663^2 + 337^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2879131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045 + ... + 3152.

2^2879138 is an apocalyptic number.

2879138 is a deficient number, since it is larger than the sum of its proper divisors (1455994).

2879138 is a wasteful number, since it uses less digits than its factorization.

2879138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476.

The product of its digits is 24192, while the sum is 38.

The square root of 2879138 is about 1696.8022866557. The cubic root of 2879138 is about 142.2615361242.

It can be divided in two parts, 2 and 879138, that multiplied together give a square (1758276 = 1326²).

The spelling of 2879138 in words is "two million, eight hundred seventy-nine thousand, one hundred thirty-eight".