3944493 has 48 divisors (see below), whose sum is σ = 7188480. Its totient is φ = 2032128.

The previous prime is 3944483. The next prime is 3944497.

3944493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3944493 - 2⁵ = 3944461 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944497) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30996 + ... + 31122.

It is an arithmetic number, because the mean of its divisors is an integer number (149760).

Almost surely, 2^3944493 is an apocalyptic number.

It is an amenable number.

3944493 is a deficient number, since it is larger than the sum of its proper divisors (3243987).

3944493 is a wasteful number, since it uses less digits than its factorization.

3944493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 183 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 3944493 is about 1986.0747720063. The cubic root of 3944493 is about 158.0024167766.

The spelling of 3944493 in words is "three million, nine hundred forty-four thousand, four hundred ninety-three".