3840013806 has 32 divisors (see below), whose sum is σ = 8145335808. Its totient is φ = 1204278240.

The previous prime is 3840013781. The next prime is 3840013811. The reversal of 3840013806 is 6083100483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219666 + ... + 236501.

It is an arithmetic number, because the mean of its divisors is an integer number (254541744).

Almost surely, 2^3840013806 is an apocalyptic number.

3840013806 is an abundant number, since it is smaller than the sum of its proper divisors (4305322002).

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

3840013806 is a wasteful number, since it uses less digits than its factorization.

3840013806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456256.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3840013806 is about 61967.8449359020. The cubic root of 3840013806 is about 1565.9489331550.

The spelling of 3840013806 in words is "three billion, eight hundred forty million, thirteen thousand, eight hundred six".