3879731 has 4 divisors (see below), whose sum is σ = 3932952. Its totient is φ = 3826512.

The previous prime is 3879727. The next prime is 3879737. The reversal of 3879731 is 1379783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1379783 = 389 ⋅3547.

It is a cyclic number.

It is not a de Polignac number, because 3879731 - 2² = 3879727 is a prime.

It is a super-2 number, since 2×3879731² = 30104625264722, 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 (3879737) 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, 26501 + ... + 26646.

It is an arithmetic number, because the mean of its divisors is an integer number (983238).

Almost surely, 2^3879731 is an apocalyptic number.

3879731 is a deficient number, since it is larger than the sum of its proper divisors (53221).

3879731 is an equidigital number, since it uses as much as digits as its factorization.

3879731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53220.

The product of its digits is 31752, while the sum is 38.

The square root of 3879731 is about 1969.7032771461. The cubic root of 3879731 is about 157.1329286525.

The spelling of 3879731 in words is "three million, eight hundred seventy-nine thousand, seven hundred thirty-one".