3900946 has 8 divisors (see below), whose sum is σ = 6687360. Its totient is φ = 1671828.

The previous prime is 3900943. The next prime is 3900989. The reversal of 3900946 is 6490093.

3900946 is nontrivially palindromic in base 13.

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

It is not an unprimeable number, because it can be changed into a prime (3900943) 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, 139306 + ... + 139333.

It is an arithmetic number, because the mean of its divisors is an integer number (835920).

Almost surely, 2^3900946 is an apocalyptic number.

3900946 is a deficient number, since it is larger than the sum of its proper divisors (2786414).

3900946 is a wasteful number, since it uses less digits than its factorization.

3900946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278648.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3900946 is about 1975.0812641509. The cubic root of 3900946 is about 157.4188176567.

The spelling of 3900946 in words is "three million, nine hundred thousand, nine hundred forty-six".