84808399 has 8 divisors (see below), whose sum is σ = 92696240. Its totient is φ = 77115456.

The previous prime is 84808397. The next prime is 84808439. The reversal of 84808399 is 99380848.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84808399 - 2¹ = 84808397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84808391) 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 7 ways as a sum of consecutive naturals, for example, 47814 + ... + 49555.

It is an arithmetic number, because the mean of its divisors is an integer number (11587030).

Almost surely, 2^84808399 is an apocalyptic number.

84808399 is a deficient number, since it is larger than the sum of its proper divisors (7887841).

84808399 is a wasteful number, since it uses less digits than its factorization.

84808399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97449.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 84808399 is about 9209.1475718440. The cubic root of 84808399 is about 439.3523512381.

It can be divided in two parts, 8480839 and 9, that added together give a palindrome (8480848).

The spelling of 84808399 in words is "eighty-four million, eight hundred eight thousand, three hundred ninety-nine".