3852428139 has 24 divisors (see below), whose sum is σ = 6385977312. Its totient is φ = 2192244480.

The previous prime is 3852428131. The next prime is 3852428141. The reversal of 3852428139 is 9318242583.

It is not a de Polignac number, because 3852428139 - 2³ = 3852428131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3852428094 and 3852428103.

It is not an unprimeable number, because it can be changed into a prime (3852428131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111684 + ... + 142049.

It is an arithmetic number, because the mean of its divisors is an integer number (266082388).

Almost surely, 2^3852428139 is an apocalyptic number.

3852428139 is a deficient number, since it is larger than the sum of its proper divisors (2533549173).

3852428139 is a wasteful number, since it uses less digits than its factorization.

3852428139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253987 (or 253984 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 3852428139 is about 62067.9316475102. The cubic root of 3852428139 is about 1567.6346301953.

The spelling of 3852428139 in words is "three billion, eight hundred fifty-two million, four hundred twenty-eight thousand, one hundred thirty-nine".