2939928 has 16 divisors (see below), whose sum is σ = 7349880. Its totient is φ = 979968.

The previous prime is 2939917. The next prime is 2939941. The reversal of 2939928 is 8299392.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 2939928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61225 + ... + 61272.

2^2939928 is an apocalyptic number.

It is an amenable number.

2939928 is an abundant number, since it is smaller than the sum of its proper divisors (4409952).

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

2939928 is a wasteful number, since it uses less digits than its factorization.

2939928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122506 (or 122502 counting only the distinct ones).

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

The square root of 2939928 is about 1714.6218241933. The cubic root of 2939928 is about 143.2558056789.

The spelling of 2939928 in words is "two million, nine hundred thirty-nine thousand, nine hundred twenty-eight".