3618859 has 8 divisors (see below), whose sum is σ = 3797568. Its totient is φ = 3444480.

The previous prime is 3618851. The next prime is 3618869. The reversal of 3618859 is 9588163.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3618859 - 2³ = 3618851 is a prime.

It is a super-2 number, since 2×3618859² = 26192280923762, which contains 22 as substring.

It is a Duffinian number.

3618859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3618851) 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, 699 + ... + 2779.

It is an arithmetic number, because the mean of its divisors is an integer number (474696).

Almost surely, 2^3618859 is an apocalyptic number.

3618859 is a deficient number, since it is larger than the sum of its proper divisors (178709).

3618859 is a wasteful number, since it uses less digits than its factorization.

3618859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165.

The product of its digits is 51840, while the sum is 40.

The square root of 3618859 is about 1902.3298872698. The cubic root of 3618859 is about 153.5290469775.

The spelling of 3618859 in words is "three million, six hundred eighteen thousand, eight hundred fifty-nine".