3939662 has 4 divisors (see below), whose sum is σ = 5909496. Its totient is φ = 1969830.

The previous prime is 3939641. The next prime is 3939671. The reversal of 3939662 is 2669393.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984914 + ... + 984917.

It is an arithmetic number, because the mean of its divisors is an integer number (1477374).

Almost surely, 2^3939662 is an apocalyptic number.

3939662 is a deficient number, since it is larger than the sum of its proper divisors (1969834).

3939662 is a wasteful number, since it uses less digits than its factorization.

3939662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969833.

The product of its digits is 52488, while the sum is 38.

The square root of 3939662 is about 1984.8581813319. The cubic root of 3939662 is about 157.9378861759.

The spelling of 3939662 in words is "three million, nine hundred thirty-nine thousand, six hundred sixty-two".