2905726 has 4 divisors (see below), whose sum is σ = 4358592. Its totient is φ = 1452862.

The previous prime is 2905703. The next prime is 2905739. The reversal of 2905726 is 6275092.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726430 + ... + 726433.

It is an arithmetic number, because the mean of its divisors is an integer number (1089648).

2^2905726 is an apocalyptic number.

2905726 is a deficient number, since it is larger than the sum of its proper divisors (1452866).

2905726 is a wasteful number, since it uses less digits than its factorization.

2905726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452865.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 2905726 is about 1704.6190190186. The cubic root of 2905726 is about 142.6981095961.

The spelling of 2905726 in words is "two million, nine hundred five thousand, seven hundred twenty-six".