3941390 has 16 divisors (see below), whose sum is σ = 7339680. Its totient is φ = 1522080.

The previous prime is 3941381. The next prime is 3941411. The reversal of 3941390 is 931493.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6506 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (458730).

Almost surely, 2^3941390 is an apocalyptic number.

3941390 is a deficient number, since it is larger than the sum of its proper divisors (3398290).

3941390 is a wasteful number, since it uses less digits than its factorization.

3941390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13627.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3941390 is about 1985.2934291938. The cubic root of 3941390 is about 157.9609741782.

The spelling of 3941390 in words is "three million, nine hundred forty-one thousand, three hundred ninety".