3913723 has 8 divisors (see below), whose sum is σ = 4520880. Its totient is φ = 3348480.

The previous prime is 3913717. The next prime is 3913727. The reversal of 3913723 is 3273193.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3913723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3913691 and 3913700.

It is not an unprimeable number, because it can be changed into a prime (3913727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10278 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (565110).

Almost surely, 2^3913723 is an apocalyptic number.

3913723 is a deficient number, since it is larger than the sum of its proper divisors (607157).

3913723 is a wasteful number, since it uses less digits than its factorization.

3913723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20957.

The product of its digits is 3402, while the sum is 28.

The square root of 3913723 is about 1978.3131703550. The cubic root of 3913723 is about 157.5904980872.

It can be divided in two parts, 391 and 3723, that added together give a palindrome (4114).

The spelling of 3913723 in words is "three million, nine hundred thirteen thousand, seven hundred twenty-three".