3949384 has 16 divisors (see below), whose sum is σ = 7527420. Its totient is φ = 1942080.

The previous prime is 3949367. The next prime is 3949391. The reversal of 3949384 is 4839493.

3949384 = T₁₉₁ + T₁₉₂ + ... + T₃₁₂.

It can be written as a sum of positive squares in 2 ways, for example, as 3526884 + 422500 = 1878^2 + 650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559 + ... + 4534.

Almost surely, 2^3949384 is an apocalyptic number.

It is an amenable number.

3949384 is a deficient number, since it is larger than the sum of its proper divisors (3578036).

3949384 is a wasteful number, since it uses less digits than its factorization.

3949384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160 (or 8156 counting only the distinct ones).

The product of its digits is 93312, while the sum is 40.

The square root of 3949384 is about 1987.3057137743. The cubic root of 3949384 is about 158.0676951813.

The spelling of 3949384 in words is "three million, nine hundred forty-nine thousand, three hundred eighty-four".