2723604 has 72 divisors (see below), whose sum is σ = 7378560. Its totient is φ = 778752.

The previous prime is 2723599. The next prime is 2723627. The reversal of 2723604 is 4063272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34437 + ... + 34515.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2^2723604 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 2723604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3689280).

2723604 is an abundant number, since it is smaller than the sum of its proper divisors (4654956).

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

2723604 is a wasteful number, since it uses less digits than its factorization.

2723604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2723604 is about 1650.3345115461. The cubic root of 2723604 is about 139.6522662614.

Adding to 2723604 its reverse (4063272), we get a palindrome (6786876).

The spelling of 2723604 in words is "two million, seven hundred twenty-three thousand, six hundred four".