384654433 has 2 divisors, whose sum is σ = 384654434. Its totient is φ = 384654432.

The previous prime is 384654401. The next prime is 384654469. The reversal of 384654433 is 334456483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292820544 + 91833889 = 17112^2 + 9583^2 .

It is an emirp because it is prime and its reverse (334456483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 384654433 - 2⁵ = 384654401 is a prime.

It is not a weakly prime, because it can be changed into another prime (384654493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192327216 + 192327217.

It is an arithmetic number, because the mean of its divisors is an integer number (192327217).

Almost surely, 2^384654433 is an apocalyptic number.

It is an amenable number.

384654433 is a deficient number, since it is larger than the sum of its proper divisors (1).

384654433 is an equidigital number, since it uses as much as digits as its factorization.

384654433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 40.

The square root of 384654433 is about 19612.6090309270. The cubic root of 384654433 is about 727.2609137868.

The spelling of 384654433 in words is "three hundred eighty-four million, six hundred fifty-four thousand, four hundred thirty-three".