3923531 has 8 divisors (see below), whose sum is σ = 4038624. Its totient is φ = 3810240.

The previous prime is 3923527. The next prime is 3923539. The reversal of 3923531 is 1353293.

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

It is a cyclic number.

It is not a de Polignac number, because 3923531 - 2² = 3923527 is a prime.

It is a super-2 number, since 2×3923531² = 30788191015922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3923531.

It is not an unprimeable number, because it can be changed into a prime (3923539) 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, 4805 + ... + 5561.

It is an arithmetic number, because the mean of its divisors is an integer number (504828).

Almost surely, 2^3923531 is an apocalyptic number.

3923531 is a deficient number, since it is larger than the sum of its proper divisors (115093).

3923531 is an equidigital number, since it uses as much as digits as its factorization.

3923531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its digits is 2430, while the sum is 26.

The square root of 3923531 is about 1980.7904987656. The cubic root of 3923531 is about 157.7220316885.

The spelling of 3923531 in words is "three million, nine hundred twenty-three thousand, five hundred thirty-one".