84353899 has 16 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 70593120.

The previous prime is 84353897. The next prime is 84353923. The reversal of 84353899 is 99835348.

It is a cyclic number.

It is not a de Polignac number, because 84353899 - 2¹ = 84353897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84353891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100122 + ... + 100960.

It is an arithmetic number, because the mean of its divisors is an integer number (6168960).

Almost surely, 2^84353899 is an apocalyptic number.

84353899 is a deficient number, since it is larger than the sum of its proper divisors (14349461).

84353899 is a wasteful number, since it uses less digits than its factorization.

84353899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170.

The product of its digits is 933120, while the sum is 49.

The square root of 84353899 is about 9184.4378706593. The cubic root of 84353899 is about 438.5660948994.

The spelling of 84353899 in words is "eighty-four million, three hundred fifty-three thousand, eight hundred ninety-nine".