3858643032 has 32 divisors (see below), whose sum is σ = 9722572800. Its totient is φ = 1276085664.

The previous prime is 3858643031. The next prime is 3858643037. The reversal of 3858643032 is 2303468583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3858643031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629932 + ... + 636027.

It is an arithmetic number, because the mean of its divisors is an integer number (303830400).

Almost surely, 2^3858643032 is an apocalyptic number.

It is an amenable number.

3858643032 is an abundant number, since it is smaller than the sum of its proper divisors (5863929768).

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

3858643032 is a wasteful number, since it uses less digits than its factorization.

3858643032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266095 (or 1266091 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 3858643032 is about 62117.9767217188. The cubic root of 3858643032 is about 1568.4771678307.

It can be divided in two parts, 38586 and 43032, that added together give a palindrome (81618).

The spelling of 3858643032 in words is "three billion, eight hundred fifty-eight million, six hundred forty-three thousand, thirty-two".