3929916 has 12 divisors (see below), whose sum is σ = 9169832. Its totient is φ = 1309968.

The previous prime is 3929879. The next prime is 3929917. The reversal of 3929916 is 6199293.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929917) 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, 163735 + ... + 163758.

Almost surely, 2^3929916 is an apocalyptic number.

It is an amenable number.

3929916 is an abundant number, since it is smaller than the sum of its proper divisors (5239916).

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

3929916 is a wasteful number, since it uses less digits than its factorization.

3929916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327500 (or 327498 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 3929916 is about 1982.4015738493. The cubic root of 3929916 is about 157.8075421963.

The spelling of 3929916 in words is "three million, nine hundred twenty-nine thousand, nine hundred sixteen".