2738928 has 40 divisors (see below), whose sum is σ = 7245568. Its totient is φ = 891072.

The previous prime is 2738899. The next prime is 2738933. The reversal of 2738928 is 8298372.

2738928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 in 7 ways as a sum of consecutive naturals, for example, 1401 + ... + 2727.

2^2738928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2738928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3622784).

2738928 is an abundant number, since it is smaller than the sum of its proper divisors (4506640).

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

2738928 is a wasteful number, since it uses less digits than its factorization.

2738928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381 (or 1375 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 2738928 is about 1654.9706946046. The cubic root of 2738928 is about 139.9136882953.

The spelling of 2738928 in words is "two million, seven hundred thirty-eight thousand, nine hundred twenty-eight".