2305724 has 6 divisors (see below), whose sum is σ = 4035024. Its totient is φ = 1152860.

The previous prime is 2305711. The next prime is 2305733. The reversal of 2305724 is 4275032.

It is a self number, because there is not a number n which added to its sum of digits gives 2305724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288212 + ... + 288219.

It is an arithmetic number, because the mean of its divisors is an integer number (672504).

2^2305724 is an apocalyptic number.

It is an amenable number.

2305724 is a deficient number, since it is larger than the sum of its proper divisors (1729300).

2305724 is a wasteful number, since it uses less digits than its factorization.

2305724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576435 (or 576433 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2305724 is about 1518.4610630504. The cubic root of 2305724 is about 132.1100245815.

The spelling of 2305724 in words is "two million, three hundred five thousand, seven hundred twenty-four".