382894891 has 2 divisors, whose sum is σ = 382894892. Its totient is φ = 382894890.

The previous prime is 382894829. The next prime is 382894933. The reversal of 382894891 is 198498283.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-382894891 is a prime.

It is not a weakly prime, because it can be changed into another prime (382894591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 191447445 + 191447446.

It is an arithmetic number, because the mean of its divisors is an integer number (191447446).

Almost surely, 2^382894891 is an apocalyptic number.

382894891 is a deficient number, since it is larger than the sum of its proper divisors (1).

382894891 is an equidigital number, since it uses as much as digits as its factorization.

382894891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 52.

The square root of 382894891 is about 19567.7001970083. The cubic root of 382894891 is about 726.1503045686.

The spelling of 382894891 in words is "three hundred eighty-two million, eight hundred ninety-four thousand, eight hundred ninety-one".