84406284 has 36 divisors (see below), whose sum is σ = 224591640. Its totient is φ = 26654400.

The previous prime is 84406277. The next prime is 84406339. The reversal of 84406284 is 48260448.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 61017 + ... + 62384.

Almost surely, 2^84406284 is an apocalyptic number.

It is an amenable number.

84406284 is an abundant number, since it is smaller than the sum of its proper divisors (140185356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84406284 is a wasteful number, since it uses less digits than its factorization.

84406284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123430 (or 123425 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 84406284 is about 9187.2892628892. The cubic root of 84406284 is about 438.6568614239.

The spelling of 84406284 in words is "eighty-four million, four hundred six thousand, two hundred eighty-four".