384831156 has 24 divisors (see below), whose sum is σ = 900212320. Its totient is φ = 127952352.

The previous prime is 384831151. The next prime is 384831157. The reversal of 384831156 is 651138483.

384831156 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×384831156³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384831151) 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, 35626 + ... + 45153.

Almost surely, 2^384831156 is an apocalyptic number.

It is an amenable number.

384831156 is an abundant number, since it is smaller than the sum of its proper divisors (515381164).

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

384831156 is a wasteful number, since it uses less digits than its factorization.

384831156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81183 (or 81181 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 384831156 is about 19617.1138549992. The cubic root of 384831156 is about 727.3722726601.

The spelling of 384831156 in words is "three hundred eighty-four million, eight hundred thirty-one thousand, one hundred fifty-six".