84140307 has 6 divisors (see below), whose sum is σ = 121536012. Its totient is φ = 56093532.

The previous prime is 84140299. The next prime is 84140317. The reversal of 84140307 is 70304148.

It is not a de Polignac number, because 84140307 - 2³ = 84140299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84140317) 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 5 ways as a sum of consecutive naturals, for example, 4674453 + ... + 4674470.

It is an arithmetic number, because the mean of its divisors is an integer number (20256002).

Almost surely, 2^84140307 is an apocalyptic number.

84140307 is a deficient number, since it is larger than the sum of its proper divisors (37395705).

84140307 is a wasteful number, since it uses less digits than its factorization.

84140307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9348929 (or 9348926 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84140307 is about 9172.8025706433. The cubic root of 84140307 is about 438.1956185064.

The spelling of 84140307 in words is "eighty-four million, one hundred forty thousand, three hundred seven".