3856635708 has 48 divisors (see below), whose sum is σ = 9532895904. Its totient is φ = 1209323520.

The previous prime is 3856635703. The next prime is 3856635737. The reversal of 3856635708 is 8075366583.

It is a super-3 number, since 3×3856635708³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856635701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 591828 + ... + 598308.

It is an arithmetic number, because the mean of its divisors is an integer number (198601998).

Almost surely, 2^3856635708 is an apocalyptic number.

It is an amenable number.

3856635708 is an abundant number, since it is smaller than the sum of its proper divisors (5676260196).

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

3856635708 is a wasteful number, since it uses less digits than its factorization.

3856635708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9422 (or 9420 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The square root of 3856635708 is about 62101.8172680961. The cubic root of 3856635708 is about 1568.2051388687.

The spelling of 3856635708 in words is "three billion, eight hundred fifty-six million, six hundred thirty-five thousand, seven hundred eight".