2239928 has 8 divisors (see below), whose sum is σ = 4199880. Its totient is φ = 1119960.

The previous prime is 2239889. The next prime is 2239933. The reversal of 2239928 is 8299322.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139988 + ... + 140003.

It is an arithmetic number, because the mean of its divisors is an integer number (524985).

2^2239928 is an apocalyptic number.

It is an amenable number.

2239928 is a deficient number, since it is larger than the sum of its proper divisors (1959952).

2239928 is a wasteful number, since it uses less digits than its factorization.

2239928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279997 (or 279993 counting only the distinct ones).

The product of its digits is 15552, while the sum is 35.

The square root of 2239928 is about 1496.6389010045. The cubic root of 2239928 is about 130.8412505070.

The spelling of 2239928 in words is "two million, two hundred thirty-nine thousand, nine hundred twenty-eight".