2439028 has 6 divisors (see below), whose sum is σ = 4268306. Its totient is φ = 1219512.

The previous prime is 2439013. The next prime is 2439037. The reversal of 2439028 is 8209342.

It can be written as a sum of positive squares in only one way, i.e., 2427364 + 11664 = 1558^2 + 108^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2438987 and 2439005.

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, 304875 + ... + 304882.

2^2439028 is an apocalyptic number.

It is an amenable number.

2439028 is a deficient number, since it is larger than the sum of its proper divisors (1829278).

2439028 is a wasteful number, since it uses less digits than its factorization.

2439028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609761 (or 609759 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2439028 is about 1561.7387745715. The cubic root of 2439028 is about 134.6084309626.

The spelling of 2439028 in words is "two million, four hundred thirty-nine thousand, twenty-eight".