3639814 has 8 divisors (see below), whose sum is σ = 5513040. Its totient is φ = 1802136.

The previous prime is 3639781. The next prime is 3639817. The reversal of 3639814 is 4189363.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3639814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639817) 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, 8629 + ... + 9040.

It is an arithmetic number, because the mean of its divisors is an integer number (689130).

Almost surely, 2^3639814 is an apocalyptic number.

3639814 is a deficient number, since it is larger than the sum of its proper divisors (1873226).

3639814 is a wasteful number, since it uses less digits than its factorization.

3639814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17774.

The product of its digits is 15552, while the sum is 34.

The square root of 3639814 is about 1907.8296569663. The cubic root of 3639814 is about 153.8248134374.

The spelling of 3639814 in words is "three million, six hundred thirty-nine thousand, eight hundred fourteen".