84431706 has 48 divisors (see below), whose sum is σ = 183022560. Its totient is φ = 25894080.

The previous prime is 84431701. The next prime is 84431713. The reversal of 84431706 is 60713448.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84431701) 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 23 ways as a sum of consecutive naturals, for example, 155796 + ... + 156336.

It is an arithmetic number, because the mean of its divisors is an integer number (3812970).

Almost surely, 2^84431706 is an apocalyptic number.

84431706 is an abundant number, since it is smaller than the sum of its proper divisors (98590854).

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

84431706 is a wasteful number, since it uses less digits than its factorization.

84431706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 84431706 is about 9188.6727006679. The cubic root of 84431706 is about 438.7008961207.

The spelling of 84431706 in words is "eighty-four million, four hundred thirty-one thousand, seven hundred six".