3923686 has 16 divisors (see below), whose sum is σ = 6375600. Its totient is φ = 1800288.

The previous prime is 3923681. The next prime is 3923687. The reversal of 3923686 is 6863293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3923681) 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, 5625 + ... + 6283.

It is an arithmetic number, because the mean of its divisors is an integer number (398475).

Almost surely, 2^3923686 is an apocalyptic number.

3923686 is a deficient number, since it is larger than the sum of its proper divisors (2451914).

3923686 is a wasteful number, since it uses less digits than its factorization.

3923686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903.

The product of its digits is 46656, while the sum is 37.

The square root of 3923686 is about 1980.8296241727. The cubic root of 3923686 is about 157.7241086096.

The spelling of 3923686 in words is "three million, nine hundred twenty-three thousand, six hundred eighty-six".