3949028 has 12 divisors (see below), whose sum is σ = 7133952. Its totient is φ = 1910760.

The previous prime is 3949027. The next prime is 3949037. The reversal of 3949028 is 8209493.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3949027) 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, 15800 + ... + 16047.

It is an arithmetic number, because the mean of its divisors is an integer number (594496).

Almost surely, 2^3949028 is an apocalyptic number.

It is an amenable number.

3949028 is a deficient number, since it is larger than the sum of its proper divisors (3184924).

3949028 is a wasteful number, since it uses less digits than its factorization.

3949028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31882 (or 31880 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3949028 is about 1987.2161432517. The cubic root of 3949028 is about 158.0629455976.

The spelling of 3949028 in words is "three million, nine hundred forty-nine thousand, twenty-eight".