3669863 has 4 divisors (see below), whose sum is σ = 3796440. Its totient is φ = 3543288.

The previous prime is 3669851. The next prime is 3669881. The reversal of 3669863 is 3689663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3669863 - 2⁴ = 3669847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3669863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3669803) 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, 63245 + ... + 63302.

It is an arithmetic number, because the mean of its divisors is an integer number (949110).

Almost surely, 2^3669863 is an apocalyptic number.

3669863 is a deficient number, since it is larger than the sum of its proper divisors (126577).

3669863 is a wasteful number, since it uses less digits than its factorization.

3669863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126576.

The product of its digits is 139968, while the sum is 41.

The square root of 3669863 is about 1915.6886490242. The cubic root of 3669863 is about 154.2469613706.

The spelling of 3669863 in words is "three million, six hundred sixty-nine thousand, eight hundred sixty-three".