3929968 has 20 divisors (see below), whose sum is σ = 8702320. Its totient is φ = 1684224.

The previous prime is 3929957. The next prime is 3929969. The reversal of 3929968 is 8699293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3929969) 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, 17433 + ... + 17656.

It is an arithmetic number, because the mean of its divisors is an integer number (435116).

Almost surely, 2^3929968 is an apocalyptic number.

It is an amenable number.

3929968 is an abundant number, since it is smaller than the sum of its proper divisors (4772352).

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

3929968 is a wasteful number, since it uses less digits than its factorization.

3929968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35104 (or 35098 counting only the distinct ones).

The product of its digits is 209952, while the sum is 46.

The square root of 3929968 is about 1982.4146892111. The cubic root of 3929968 is about 157.8082382210.

The spelling of 3929968 in words is "three million, nine hundred twenty-nine thousand, nine hundred sixty-eight".