3946512 has 20 divisors (see below), whose sum is σ = 10195280. Its totient is φ = 1315488.

The previous prime is 3946511. The next prime is 3946541. The reversal of 3946512 is 2156493.

It is a super-2 number, since 2×3946512² = 31149913932288, 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 3946512.

It is not an unprimeable number, because it can be changed into a prime (3946511) 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, 41062 + ... + 41157.

It is an arithmetic number, because the mean of its divisors is an integer number (509764).

Almost surely, 2^3946512 is an apocalyptic number.

It is an amenable number.

3946512 is an abundant number, since it is smaller than the sum of its proper divisors (6248768).

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

3946512 is a wasteful number, since it uses less digits than its factorization.

3946512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82230 (or 82224 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 3946512 is about 1986.5829960009. The cubic root of 3946512 is about 158.0293701744.

The spelling of 3946512 in words is "three million, nine hundred forty-six thousand, five hundred twelve".