899942383 has 2 divisors, whose sum is σ = 899942384. Its totient is φ = 899942382.

The previous prime is 899942363. The next prime is 899942389. The reversal of 899942383 is 383249998.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 899942383 - 2²¹ = 897845231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (899942389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449971191 + 449971192.

It is an arithmetic number, because the mean of its divisors is an integer number (449971192).

Almost surely, 2^899942383 is an apocalyptic number.

899942383 is a deficient number, since it is larger than the sum of its proper divisors (1).

899942383 is an equidigital number, since it uses as much as digits as its factorization.

899942383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3359232, while the sum is 55.

The square root of 899942383 is about 29999.0397012971. The cubic root of 899942383 is about 965.4687809801.

The spelling of 899942383 in words is "eight hundred ninety-nine million, nine hundred forty-two thousand, three hundred eighty-three".