384200849 has 2 divisors, whose sum is σ = 384200850. Its totient is φ = 384200848.

The previous prime is 384200797. The next prime is 384200863. The reversal of 384200849 is 948002483.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333719824 + 50481025 = 18268^2 + 7105^2 .

It is a cyclic number.

It is not a de Polignac number, because 384200849 - 2¹⁶ = 384135313 is a prime.

It is a super-2 number, since 2×384200849² = 295220584744641602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (384200899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192100424 + 192100425.

It is an arithmetic number, because the mean of its divisors is an integer number (192100425).

Almost surely, 2^384200849 is an apocalyptic number.

It is an amenable number.

384200849 is a deficient number, since it is larger than the sum of its proper divisors (1).

384200849 is an equidigital number, since it uses as much as digits as its factorization.

384200849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 384200849 is about 19601.0420386264. The cubic root of 384200849 is about 726.9749396471.

The spelling of 384200849 in words is "three hundred eighty-four million, two hundred thousand, eight hundred forty-nine".