3641986 has 8 divisors (see below), whose sum is σ = 5544720. Its totient is φ = 1793748.

The previous prime is 3641951. The next prime is 3641987. The reversal of 3641986 is 6891463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3641987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13456 + ... + 13723.

It is an arithmetic number, because the mean of its divisors is an integer number (693090).

Almost surely, 2^3641986 is an apocalyptic number.

3641986 is a deficient number, since it is larger than the sum of its proper divisors (1902734).

3641986 is a wasteful number, since it uses less digits than its factorization.

3641986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27248.

The product of its digits is 31104, while the sum is 37.

The square root of 3641986 is about 1908.3988052815. The cubic root of 3641986 is about 153.8554048411.

The spelling of 3641986 in words is "three million, six hundred forty-one thousand, nine hundred eighty-six".