3920946 has 8 divisors (see below), whose sum is σ = 7841904. Its totient is φ = 1306980.

The previous prime is 3920941. The next prime is 3920947. The reversal of 3920946 is 6490293.

It is a sphenic number, since it is the product of 3 distinct primes.

3920946 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3920941) 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, 326740 + ... + 326751.

It is an arithmetic number, because the mean of its divisors is an integer number (980238).

Almost surely, 2^3920946 is an apocalyptic number.

3920946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3920946 is a wasteful number, since it uses less digits than its factorization.

3920946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653496.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 3920946 is about 1980.1378739876. The cubic root of 3920946 is about 157.6873859383.

Adding to 3920946 its product of nonzero digits (11664), we get a triangular number (3932610 = T₂₈₀₄).

The spelling of 3920946 in words is "three million, nine hundred twenty thousand, nine hundred forty-six".