3836220864 has 56 divisors (see below), whose sum is σ = 11600005248. Its totient is φ = 1096062720.

The previous prime is 3836220823. The next prime is 3836220881. The reversal of 3836220864 is 4680226383.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1425822 + ... + 1428509.

Almost surely, 2^3836220864 is an apocalyptic number.

It is an amenable number.

3836220864 is an abundant number, since it is smaller than the sum of its proper divisors (7763784384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3836220864 is a wasteful number, since it uses less digits than its factorization.

3836220864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854353 (or 2854343 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 3836220864 is about 61937.2332607778. The cubic root of 3836220864 is about 1565.4331789213.

The spelling of 3836220864 in words is "three billion, eight hundred thirty-six million, two hundred twenty thousand, eight hundred sixty-four".