3952723 has 4 divisors (see below), whose sum is σ = 3976560. Its totient is φ = 3928888.

The previous prime is 3952691. The next prime is 3952733. The reversal of 3952723 is 3272593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3272593 = 113 ⋅28961.

It is a cyclic number.

It is not a de Polignac number, because 3952723 - 2⁵ = 3952691 is a prime.

It is a super-2 number, since 2×3952723² = 31248038229458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3952733) 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, 11668 + ... + 12001.

It is an arithmetic number, because the mean of its divisors is an integer number (994140).

Almost surely, 2^3952723 is an apocalyptic number.

3952723 is a deficient number, since it is larger than the sum of its proper divisors (23837).

3952723 is a wasteful number, since it uses less digits than its factorization.

3952723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23836.

The product of its digits is 11340, while the sum is 31.

The square root of 3952723 is about 1988.1456184093. The cubic root of 3952723 is about 158.1122286550.

The spelling of 3952723 in words is "three million, nine hundred fifty-two thousand, seven hundred twenty-three".