2738688 has 40 divisors (see below), whose sum is σ = 7300128. Its totient is φ = 912384.

The previous prime is 2738657. The next prime is 2738707. The reversal of 2738688 is 8868372.

It is a super-2 number, since 2×2738688² = 15000823922688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645 + ... + 2427.

2^2738688 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 2738688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3650064).

2738688 is an abundant number, since it is smaller than the sum of its proper divisors (4561440).

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

2738688 is an equidigital number, since it uses as much as digits as its factorization.

2738688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1788 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 2738688 is about 1654.8981841793. The cubic root of 2738688 is about 139.9096015059.

The spelling of 2738688 in words is "two million, seven hundred thirty-eight thousand, six hundred eighty-eight".