2725904 has 10 divisors (see below), whose sum is σ = 5281470. Its totient is φ = 1362944.

The previous prime is 2725897. The next prime is 2725927. The reversal of 2725904 is 4095272.

It can be written as a sum of positive squares in only one way, i.e., 2715904 + 10000 = 1648^2 + 100^2 .

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 85169 + ... + 85200.

It is an arithmetic number, because the mean of its divisors is an integer number (528147).

2^2725904 is an apocalyptic number.

It is an amenable number.

2725904 is a deficient number, since it is larger than the sum of its proper divisors (2555566).

2725904 is a wasteful number, since it uses less digits than its factorization.

2725904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170377 (or 170371 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2725904 is about 1651.0311929216. The cubic root of 2725904 is about 139.6915658855.

The spelling of 2725904 in words is "two million, seven hundred twenty-five thousand, nine hundred four".