389272799 has 2 divisors, whose sum is σ = 389272800. Its totient is φ = 389272798.

The previous prime is 389272789. The next prime is 389272811. The reversal of 389272799 is 997272983.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 389272799 - 2²⁴ = 372495583 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389272789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194636399 + 194636400.

It is an arithmetic number, because the mean of its divisors is an integer number (194636400).

Almost surely, 2^389272799 is an apocalyptic number.

389272799 is a deficient number, since it is larger than the sum of its proper divisors (1).

389272799 is an equidigital number, since it uses as much as digits as its factorization.

389272799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 56.

The square root of 389272799 is about 19729.9974404459. The cubic root of 389272799 is about 730.1599693210.

The spelling of 389272799 in words is "three hundred eighty-nine million, two hundred seventy-two thousand, seven hundred ninety-nine".