384813199 has 4 divisors (see below), whose sum is σ = 397226560. Its totient is φ = 372399840.

The previous prime is 384813197. The next prime is 384813229. The reversal of 384813199 is 991318483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991318483 = 19 ⋅52174657.

It is a cyclic number.

It is not a de Polignac number, because 384813199 - 2¹ = 384813197 is a prime.

It is a super-2 number, since 2×384813199² = 296162396249227202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384813197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6206634 + ... + 6206695.

It is an arithmetic number, because the mean of its divisors is an integer number (99306640).

Almost surely, 2^384813199 is an apocalyptic number.

384813199 is a deficient number, since it is larger than the sum of its proper divisors (12413361).

384813199 is a wasteful number, since it uses less digits than its factorization.

384813199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413360.

The product of its digits is 186624, while the sum is 46.

The square root of 384813199 is about 19616.6561625574. The cubic root of 384813199 is about 727.3609589304.

The spelling of 384813199 in words is "three hundred eighty-four million, eight hundred thirteen thousand, one hundred ninety-nine".