3949926 has 8 divisors (see below), whose sum is σ = 7899864. Its totient is φ = 1316640.

The previous prime is 3949919. The next prime is 3949961. The reversal of 3949926 is 6299493.

3949926 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3949926 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329155 + ... + 329166.

It is an arithmetic number, because the mean of its divisors is an integer number (987483).

Almost surely, 2^3949926 is an apocalyptic number.

3949926 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.

3949926 is a wasteful number, since it uses less digits than its factorization.

3949926 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658326.

The product of its digits is 104976, while the sum is 42.

The square root of 3949926 is about 1987.4420746276. The cubic root of 3949926 is about 158.0749257412.

The spelling of 3949926 in words is "three million, nine hundred forty-nine thousand, nine hundred twenty-six".