3864397803 has 16 divisors (see below), whose sum is σ = 5908713216. Its totient is φ = 2200687200.

The previous prime is 3864397787. The next prime is 3864397807. The reversal of 3864397803 is 3087934683.

It is not a de Polignac number, because 3864397803 - 2⁴ = 3864397787 is a prime.

It is a super-5 number, since 5×3864397803⁵ (a number of 49 digits) contains 55555 as substring.

It is not an unprimeable number, because it can be changed into a prime (3864397807) 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, 307873 + ... + 320178.

It is an arithmetic number, because the mean of its divisors is an integer number (369294576).

Almost surely, 2^3864397803 is an apocalyptic number.

3864397803 is a deficient number, since it is larger than the sum of its proper divisors (2044315413).

3864397803 is a wasteful number, since it uses less digits than its factorization.

3864397803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628354.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The square root of 3864397803 is about 62164.2807647607. The cubic root of 3864397803 is about 1569.2565215506.

The spelling of 3864397803 in words is "three billion, eight hundred sixty-four million, three hundred ninety-seven thousand, eight hundred three".