3964623 has 16 divisors (see below), whose sum is σ = 5792640. Its totient is φ = 2397024.

The previous prime is 3964613. The next prime is 3964627. The reversal of 3964623 is 3264693.

It is not a de Polignac number, because 3964623 - 2⁴ = 3964607 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 9³ + 6⁵ + 4² + 6⁸ + 2²¹ + 3¹¹ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964627) 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, 1440 + ... + 3162.

It is an arithmetic number, because the mean of its divisors is an integer number (362040).

Almost surely, 2^3964623 is an apocalyptic number.

3964623 is a deficient number, since it is larger than the sum of its proper divisors (1828017).

3964623 is a wasteful number, since it uses less digits than its factorization.

3964623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798.

The product of its digits is 23328, while the sum is 33.

The square root of 3964623 is about 1991.1361078540. The cubic root of 3964623 is about 158.2707396780.

The spelling of 3964623 in words is "three million, nine hundred sixty-four thousand, six hundred twenty-three".