3966573 has 32 divisors (see below), whose sum is σ = 6168960. Its totient is φ = 2246400.

The previous prime is 3966563. The next prime is 3966581. The reversal of 3966573 is 3756693.

It is not a de Polignac number, because 3966573 - 2⁵ = 3966541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (102060) is a multiple of the sum of its prime divisors (189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3966503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39223 + ... + 39323.

It is an arithmetic number, because the mean of its divisors is an integer number (192780).

Almost surely, 2^3966573 is an apocalyptic number.

It is an amenable number.

3966573 is a deficient number, since it is larger than the sum of its proper divisors (2202387).

3966573 is a wasteful number, since it uses less digits than its factorization.

3966573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its digits is 102060, while the sum is 39.

The square root of 3966573 is about 1991.6257178496. The cubic root of 3966573 is about 158.2966839151.

The spelling of 3966573 in words is "three million, nine hundred sixty-six thousand, five hundred seventy-three".