84299994 has 16 divisors (see below), whose sum is σ = 187333440. Its totient is φ = 28099980.

The previous prime is 84299993. The next prime is 84300011. The reversal of 84299994 is 49999248.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1561111 = 84299994 / (8 + 4 + 2 + 9 + 9 + 9 + 9 + 4).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84299994.

It is not an unprimeable number, because it can be changed into a prime (84299993) 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 7 ways as a sum of consecutive naturals, for example, 780502 + ... + 780609.

It is an arithmetic number, because the mean of its divisors is an integer number (11708340).

Almost surely, 2^84299994 is an apocalyptic number.

84299994 is an abundant number, since it is smaller than the sum of its proper divisors (103033446).

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

84299994 is a wasteful number, since it uses less digits than its factorization.

84299994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561122 (or 1561116 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 54.

The square root of 84299994 is about 9181.5028181665. The cubic root of 84299994 is about 438.4726554607.

The spelling of 84299994 in words is "eighty-four million, two hundred ninety-nine thousand, nine hundred ninety-four".