2739648 has 56 divisors (see below), whose sum is σ = 7640320. Its totient is φ = 864000.

The previous prime is 2739647. The next prime is 2739673. The reversal of 2739648 is 8469372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3273 + ... + 4023.

2^2739648 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 2739648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3820160).

2739648 is an abundant number, since it is smaller than the sum of its proper divisors (4900672).

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

2739648 is a wasteful number, since it uses less digits than its factorization.

2739648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 775 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 2739648 is about 1655.1882068212. The cubic root of 2739648 is about 139.9259472314.

The spelling of 2739648 in words is "two million, seven hundred thirty-nine thousand, six hundred forty-eight".