3929982 has 32 divisors (see below), whose sum is σ = 9061632. Its totient is φ = 1113024.

The previous prime is 3929977. The next prime is 3930001. The reversal of 3929982 is 2899293.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5413 + ... + 6095.

It is an arithmetic number, because the mean of its divisors is an integer number (283176).

Almost surely, 2^3929982 is an apocalyptic number.

3929982 is an abundant number, since it is smaller than the sum of its proper divisors (5131650).

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

3929982 is a wasteful number, since it uses less digits than its factorization.

3929982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its digits is 69984, while the sum is 42.

The square root of 3929982 is about 1982.4182202553. The cubic root of 3929982 is about 157.8084256112.

The spelling of 3929982 in words is "three million, nine hundred twenty-nine thousand, nine hundred eighty-two".