84308355 has 48 divisors (see below), whose sum is σ = 155810304. Its totient is φ = 42024960.

The previous prime is 84308353. The next prime is 84308387. The reversal of 84308355 is 55380348.

It is not a de Polignac number, because 84308355 - 2¹ = 84308353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84308351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145827 + ... + 146403.

It is an arithmetic number, because the mean of its divisors is an integer number (3246048).

Almost surely, 2^84308355 is an apocalyptic number.

84308355 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84308355 is a deficient number, since it is larger than the sum of its proper divisors (71501949).

84308355 is a wasteful number, since it uses less digits than its factorization.

84308355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 84308355 is about 9181.9581244961. The cubic root of 84308355 is about 438.4871511070.

The spelling of 84308355 in words is "eighty-four million, three hundred eight thousand, three hundred fifty-five".