3930523 has 4 divisors (see below), whose sum is σ = 3961600. Its totient is φ = 3899448.

The previous prime is 3930517. The next prime is 3930527. The reversal of 3930523 is 3250393.

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 3930523 - 2⁵ = 3930491 is a prime.

It is a super-2 number, since 2×3930523² = 30898022107058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3930527) 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, 15348 + ... + 15601.

It is an arithmetic number, because the mean of its divisors is an integer number (990400).

Almost surely, 2^3930523 is an apocalyptic number.

3930523 is a deficient number, since it is larger than the sum of its proper divisors (31077).

3930523 is a wasteful number, since it uses less digits than its factorization.

3930523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31076.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 3930523 is about 1982.5546650723. The cubic root of 3930523 is about 157.8156665639.

The spelling of 3930523 in words is "three million, nine hundred thirty thousand, five hundred twenty-three".