3865333536 has 36 divisors (see below), whose sum is σ = 10992043062. Its totient is φ = 1288444416.

The previous prime is 3865333523. The next prime is 3865333543. The reversal of 3865333536 is 6353335683.

3865333536 is a `hidden beast` number, since 3 + 86 + 5 + 3 + 33 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2834923536 + 1030410000 = 53244^2 + 32100^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3865333491 and 3865333500.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6710361 + ... + 6710936.

Almost surely, 2^3865333536 is an apocalyptic number.

3865333536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

3865333536 is an abundant number, since it is smaller than the sum of its proper divisors (7126709526).

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

3865333536 is a wasteful number, since it uses less digits than its factorization.

3865333536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13421313 (or 13421302 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 45.

The square root of 3865333536 is about 62171.8066007415. The cubic root of 3865333536 is about 1569.3831722978.

The spelling of 3865333536 in words is "three billion, eight hundred sixty-five million, three hundred thirty-three thousand, five hundred thirty-six".