3726905 has 16 divisors (see below), whose sum is σ = 5505024. Its totient is φ = 2358720.

The previous prime is 3726889. The next prime is 3726911. The reversal of 3726905 is 5096273.

It is not a de Polignac number, because 3726905 - 2⁴ = 3726889 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 3641 + ... + 4550.

It is an arithmetic number, because the mean of its divisors is an integer number (344064).

Almost surely, 2^3726905 is an apocalyptic number.

3726905 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3726905 is a deficient number, since it is larger than the sum of its proper divisors (1778119).

3726905 is a wasteful number, since it uses less digits than its factorization.

3726905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 3726905 is about 1930.5193601723. The cubic root of 3726905 is about 155.0420281452.

The spelling of 3726905 in words is "three million, seven hundred twenty-six thousand, nine hundred five".