3951212 has 6 divisors (see below), whose sum is σ = 6914628. Its totient is φ = 1975604.

The previous prime is 3951209. The next prime is 3951247. The reversal of 3951212 is 2121593.

3951212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3951212² = 31224152537888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493898 + ... + 493905.

It is an arithmetic number, because the mean of its divisors is an integer number (1152438).

Almost surely, 2^3951212 is an apocalyptic number.

It is an amenable number.

3951212 is a deficient number, since it is larger than the sum of its proper divisors (2963416).

3951212 is a wasteful number, since it uses less digits than its factorization.

3951212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987807 (or 987805 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

The square root of 3951212 is about 1987.7655797402. The cubic root of 3951212 is about 158.0920789990.

The spelling of 3951212 in words is "three million, nine hundred fifty-one thousand, two hundred twelve".