84324290 has 32 divisors (see below), whose sum is σ = 159134976. Its totient is φ = 32135040.

The previous prime is 84324283. The next prime is 84324293. The reversal of 84324290 is 9242348.

It is a super-2 number, since 2×84324290² = 14221171768008200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84324293) 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, 15239 + ... + 20021.

It is an arithmetic number, because the mean of its divisors is an integer number (4972968).

Almost surely, 2^84324290 is an apocalyptic number.

84324290 is a deficient number, since it is larger than the sum of its proper divisors (74810686).

84324290 is a wasteful number, since it uses less digits than its factorization.

84324290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4874.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 84324290 is about 9182.8258177970. The cubic root of 84324290 is about 438.5147753070.

The spelling of 84324290 in words is "eighty-four million, three hundred twenty-four thousand, two hundred ninety".