2879615 has 4 divisors (see below), whose sum is σ = 3455544. Its totient is φ = 2303688.

The previous prime is 2879609. The next prime is 2879641. The reversal of 2879615 is 5169782.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5169782 = 2 ⋅2584891.

It is a cyclic number.

It is not a de Polignac number, because 2879615 - 2⁶ = 2879551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

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, 287957 + ... + 287966.

It is an arithmetic number, because the mean of its divisors is an integer number (863886).

2^2879615 is an apocalyptic number.

2879615 is a deficient number, since it is larger than the sum of its proper divisors (575929).

2879615 is an equidigital number, since it uses as much as digits as its factorization.

2879615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575928.

The product of its digits is 30240, while the sum is 38.

The square root of 2879615 is about 1696.9428393437. The cubic root of 2879615 is about 142.2693920641.

The spelling of 2879615 in words is "two million, eight hundred seventy-nine thousand, six hundred fifteen".