3920212 has 12 divisors (see below), whose sum is σ = 7158816. Its totient is φ = 1874840.

The previous prime is 3920209. The next prime is 3920227. The reversal of 3920212 is 2120293.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3920212.

It is a congruent number.

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, 21214 + ... + 21397.

It is an arithmetic number, because the mean of its divisors is an integer number (596568).

Almost surely, 2^3920212 is an apocalyptic number.

It is an amenable number.

3920212 is a deficient number, since it is larger than the sum of its proper divisors (3238604).

3920212 is a wasteful number, since it uses less digits than its factorization.

3920212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42638 (or 42636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3920212 is about 1979.9525246834. The cubic root of 3920212 is about 157.6775456460.

The spelling of 3920212 in words is "three million, nine hundred twenty thousand, two hundred twelve".