3959938 has 16 divisors (see below), whose sum is σ = 6140160. Its totient is φ = 1914336.

The previous prime is 3959911. The next prime is 3959947. The reversal of 3959938 is 8399593.

It is a super-2 number, since 2×3959938² = 31362217927688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9478 + ... + 9886.

It is an arithmetic number, because the mean of its divisors is an integer number (383760).

Almost surely, 2^3959938 is an apocalyptic number.

3959938 is a deficient number, since it is larger than the sum of its proper divisors (2180222).

3959938 is a wasteful number, since it uses less digits than its factorization.

3959938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 262440, while the sum is 46.

The square root of 3959938 is about 1989.9592960661. The cubic root of 3959938 is about 158.2083721941.

The spelling of 3959938 in words is "three million, nine hundred fifty-nine thousand, nine hundred thirty-eight".