2739028 has 6 divisors (see below), whose sum is σ = 4793306. Its totient is φ = 1369512.

The previous prime is 2739017. The next prime is 2739031. The reversal of 2739028 is 8209372.

2739028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2617924 + 121104 = 1618^2 + 348^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342375 + ... + 342382.

2^2739028 is an apocalyptic number.

It is an amenable number.

2739028 is a deficient number, since it is larger than the sum of its proper divisors (2054278).

2739028 is a wasteful number, since it uses less digits than its factorization.

2739028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684761 (or 684759 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2739028 is about 1655.0009063442. Note that the first 3 decimals coincide. The cubic root of 2739028 is about 139.9153910538.

The spelling of 2739028 in words is "two million, seven hundred thirty-nine thousand, twenty-eight".