3879631 has 4 divisors (see below), whose sum is σ = 4433872. Its totient is φ = 3325392.

The previous prime is 3879607. The next prime is 3879641. The reversal of 3879631 is 1369783.

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

It is not a de Polignac number, because 3879631 - 2⁹ = 3879119 is a prime.

It is a super-2 number, since 2×3879631² = 30103073392322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3879641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277110 + ... + 277123.

It is an arithmetic number, because the mean of its divisors is an integer number (1108468).

Almost surely, 2^3879631 is an apocalyptic number.

3879631 is a deficient number, since it is larger than the sum of its proper divisors (554241).

3879631 is an equidigital number, since it uses as much as digits as its factorization.

3879631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554240.

The product of its digits is 27216, while the sum is 37.

The square root of 3879631 is about 1969.6778924484. The cubic root of 3879631 is about 157.1315786081.

The spelling of 3879631 in words is "three million, eight hundred seventy-nine thousand, six hundred thirty-one".