3879615 has 16 divisors (see below), whose sum is σ = 6340608. Its totient is φ = 2024736.

The previous prime is 3879607. The next prime is 3879641. The reversal of 3879615 is 5169783.

It is not a de Polignac number, because 3879615 - 2³ = 3879607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2047 + ... + 3456.

It is an arithmetic number, because the mean of its divisors is an integer number (396288).

Almost surely, 2^3879615 is an apocalyptic number.

3879615 is a deficient number, since it is larger than the sum of its proper divisors (2460993).

3879615 is a wasteful number, since it uses less digits than its factorization.

3879615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558.

The product of its digits is 45360, while the sum is 39.

The square root of 3879615 is about 1969.6738308664. The cubic root of 3879615 is about 157.1313625988.

The spelling of 3879615 in words is "three million, eight hundred seventy-nine thousand, six hundred fifteen".