2728604 has 6 divisors (see below), whose sum is σ = 4775064. Its totient is φ = 1364300.

The previous prime is 2728603. The next prime is 2728631. The reversal of 2728604 is 4068272.

2728604 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341072 + ... + 341079.

It is an arithmetic number, because the mean of its divisors is an integer number (795844).

2^2728604 is an apocalyptic number.

It is an amenable number.

2728604 is a deficient number, since it is larger than the sum of its proper divisors (2046460).

2728604 is a wasteful number, since it uses less digits than its factorization.

2728604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682155 (or 682153 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 2728604 is about 1651.8486613489. The cubic root of 2728604 is about 139.7376720297.

The spelling of 2728604 in words is "two million, seven hundred twenty-eight thousand, six hundred four".