384828613 has 16 divisors (see below), whose sum is σ = 422452800. Its totient is φ = 348416640.

The previous prime is 384828611. The next prime is 384828623. The reversal of 384828613 is 316828483.

It is not a de Polignac number, because 384828613 - 2¹ = 384828611 is a prime.

It is a super-2 number, since 2×384828613² = 296186122767007538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384828613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384828611) 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, 150298 + ... + 152836.

It is an arithmetic number, because the mean of its divisors is an integer number (26403300).

Almost surely, 2^384828613 is an apocalyptic number.

It is an amenable number.

384828613 is a deficient number, since it is larger than the sum of its proper divisors (37624187).

384828613 is a wasteful number, since it uses less digits than its factorization.

384828613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772.

The product of its digits is 221184, while the sum is 43.

The square root of 384828613 is about 19617.0490390374. The cubic root of 384828613 is about 727.3706704754.

The spelling of 384828613 in words is "three hundred eighty-four million, eight hundred twenty-eight thousand, six hundred thirteen".