3915723 has 16 divisors (see below), whose sum is σ = 6003200. Its totient is φ = 2223936.

The previous prime is 3915719. The next prime is 3915731. The reversal of 3915723 is 3275193.

It is not a de Polignac number, because 3915723 - 2² = 3915719 is a prime.

It is a super-2 number, since 2×3915723² = 30665773225458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3915713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3711 + ... + 4647.

It is an arithmetic number, because the mean of its divisors is an integer number (375200).

Almost surely, 2^3915723 is an apocalyptic number.

3915723 is a deficient number, since it is larger than the sum of its proper divisors (2087477).

3915723 is a wasteful number, since it uses less digits than its factorization.

3915723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146.

The product of its digits is 5670, while the sum is 30.

The square root of 3915723 is about 1978.8185869351. The cubic root of 3915723 is about 157.6173376058.

The spelling of 3915723 in words is "three million, nine hundred fifteen thousand, seven hundred twenty-three".