3949312 has 18 divisors (see below), whose sum is σ = 7883708. Its totient is φ = 1974528.

The previous prime is 3949301. The next prime is 3949313. The reversal of 3949312 is 2139493.

It is not an unprimeable number, because it can be changed into a prime (3949313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7458 + ... + 7969.

Almost surely, 2^3949312 is an apocalyptic number.

3949312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3949312 is a deficient number, since it is larger than the sum of its proper divisors (3934396).

3949312 is an equidigital number, since it uses as much as digits as its factorization.

3949312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15443 (or 15429 counting only the distinct ones).

The product of its digits is 5832, while the sum is 31.

The square root of 3949312 is about 1987.2875987134. The cubic root of 3949312 is about 158.0667346144.

The spelling of 3949312 in words is "three million, nine hundred forty-nine thousand, three hundred twelve".