3828731307 has 8 divisors (see below), whose sum is σ = 5188663440. Its totient is φ = 2510643360.

The previous prime is 3828731297. The next prime is 3828731321. The reversal of 3828731307 is 7031378283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3828731307 - 2⁶ = 3828731243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3828731407) 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, 10460832 + ... + 10461197.

It is an arithmetic number, because the mean of its divisors is an integer number (648582930).

Almost surely, 2^3828731307 is an apocalyptic number.

3828731307 is a deficient number, since it is larger than the sum of its proper divisors (1359932133).

3828731307 is a wasteful number, since it uses less digits than its factorization.

3828731307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20922093.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 3828731307 is about 61876.7428603025. The cubic root of 3828731307 is about 1564.4137694833.

The spelling of 3828731307 in words is "three billion, eight hundred twenty-eight million, seven hundred thirty-one thousand, three hundred seven".