3855387404 has 12 divisors (see below), whose sum is σ = 7360285128. Its totient is φ = 1752448800.

The previous prime is 3855387311. The next prime is 3855387407. The reversal of 3855387404 is 4047835583.

It is not an unprimeable number, because it can be changed into a prime (3855387407) 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, 43811177 + ... + 43811264.

It is an arithmetic number, because the mean of its divisors is an integer number (613357094).

Almost surely, 2^3855387404 is an apocalyptic number.

It is an amenable number.

3855387404 is a deficient number, since it is larger than the sum of its proper divisors (3504897724).

3855387404 is a wasteful number, since it uses less digits than its factorization.

3855387404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87622456 (or 87622454 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 3855387404 is about 62091.7659919574. The cubic root of 3855387404 is about 1568.0359233362.

The spelling of 3855387404 in words is "three billion, eight hundred fifty-five million, three hundred eighty-seven thousand, four hundred four".