3949290 has 32 divisors (see below), whose sum is σ = 10532160. Its totient is φ = 1053072.

The previous prime is 3949273. The next prime is 3949291. The reversal of 3949290 is 929493.

3949290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3949291) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7044 + ... + 7583.

It is an arithmetic number, because the mean of its divisors is an integer number (329130).

Almost surely, 2^3949290 is an apocalyptic number.

3949290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3949290 is an abundant number, since it is smaller than the sum of its proper divisors (6582870).

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

3949290 is a wasteful number, since it uses less digits than its factorization.

3949290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14643 (or 14637 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 3949290 is about 1987.2820635229. The cubic root of 3949290 is about 158.0664411055.

The spelling of 3949290 in words is "three million, nine hundred forty-nine thousand, two hundred ninety".