389522899 has 2 divisors, whose sum is σ = 389522900. Its totient is φ = 389522898.

The previous prime is 389522879. The next prime is 389522909. The reversal of 389522899 is 998225983.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 389522899 - 2²⁵ = 355968467 is a prime.

It is not a weakly prime, because it can be changed into another prime (389522849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194761449 + 194761450.

It is an arithmetic number, because the mean of its divisors is an integer number (194761450).

Almost surely, 2^389522899 is an apocalyptic number.

389522899 is a deficient number, since it is larger than the sum of its proper divisors (1).

389522899 is an equidigital number, since it uses as much as digits as its factorization.

389522899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2799360, while the sum is 55.

The square root of 389522899 is about 19736.3344874371. The cubic root of 389522899 is about 730.3163069111.

The spelling of 389522899 in words is "three hundred eighty-nine million, five hundred twenty-two thousand, eight hundred ninety-nine".