3951012 has 96 divisors (see below), whose sum is σ = 11038720. Its totient is φ = 1088640.

The previous prime is 3951001. The next prime is 3951023. The reversal of 3951012 is 2101593.

It is an interprime number because it is at equal distance from previous prime (3951001) and next prime (3951023).

It is a super-2 number, since 2×3951012² = 31220991648288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3951012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91863 + ... + 91905.

Almost surely, 2^3951012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3951012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5519360).

3951012 is an abundant number, since it is smaller than the sum of its proper divisors (7087708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3951012 is a wasteful number, since it uses less digits than its factorization.

3951012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 3951012 is about 1987.7152713606. The cubic root of 3951012 is about 158.0894115517.

The spelling of 3951012 in words is "three million, nine hundred fifty-one thousand, twelve".