3923493 has 16 divisors (see below), whose sum is σ = 6053376. Its totient is φ = 2214000.

The previous prime is 3923483. The next prime is 3923527. The reversal of 3923493 is 3943293.

It is not a de Polignac number, because 3923493 - 2⁴ = 3923477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618 + ... + 2868.

It is an arithmetic number, because the mean of its divisors is an integer number (378336).

Almost surely, 2^3923493 is an apocalyptic number.

It is an amenable number.

3923493 is a deficient number, since it is larger than the sum of its proper divisors (2129883).

3923493 is a wasteful number, since it uses less digits than its factorization.

3923493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344.

The product of its digits is 17496, while the sum is 33.

The square root of 3923493 is about 1980.7809066123. The cubic root of 3923493 is about 157.7215224995.

It can be divided in two parts, 39 and 23493, that added together give a palindrome (23532).

The spelling of 3923493 in words is "three million, nine hundred twenty-three thousand, four hundred ninety-three".