3641723 has 4 divisors (see below), whose sum is σ = 3855960. Its totient is φ = 3427488.

The previous prime is 3641707. The next prime is 3641731. The reversal of 3641723 is 3271463.

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

It is a cyclic number.

It is not a de Polignac number, because 3641723 - 2⁴ = 3641707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3641692 and 3641701.

It is not an unprimeable number, because it can be changed into a prime (3641753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107093 + ... + 107126.

It is an arithmetic number, because the mean of its divisors is an integer number (963990).

Almost surely, 2^3641723 is an apocalyptic number.

3641723 is a deficient number, since it is larger than the sum of its proper divisors (214237).

3641723 is a wasteful number, since it uses less digits than its factorization.

3641723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214236.

The product of its digits is 3024, while the sum is 26.

The square root of 3641723 is about 1908.3298981046. The cubic root of 3641723 is about 153.8517012807.

The spelling of 3641723 in words is "three million, six hundred forty-one thousand, seven hundred twenty-three".