3949396 has 12 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 1795160.

The previous prime is 3949391. The next prime is 3949409. The reversal of 3949396 is 6939493.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3949391) 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, 44836 + ... + 44923.

It is an arithmetic number, because the mean of its divisors is an integer number (628320).

Almost surely, 2^3949396 is an apocalyptic number.

It is an amenable number.

3949396 is a deficient number, since it is larger than the sum of its proper divisors (3590444).

3949396 is a wasteful number, since it uses less digits than its factorization.

3949396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89774 (or 89772 counting only the distinct ones).

The product of its digits is 157464, while the sum is 43.

The square root of 3949396 is about 1987.3087329351. The cubic root of 3949396 is about 158.0678552747.

The spelling of 3949396 in words is "three million, nine hundred forty-nine thousand, three hundred ninety-six".