84243699 has 8 divisors (see below), whose sum is σ = 124805520. Its totient is φ = 56162448.

The previous prime is 84243673. The next prime is 84243703. The reversal of 84243699 is 99634248.

It is not a de Polignac number, because 84243699 - 2⁵ = 84243667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84243199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560042 + ... + 1560095.

It is an arithmetic number, because the mean of its divisors is an integer number (15600690).

Almost surely, 2^84243699 is an apocalyptic number.

84243699 is a deficient number, since it is larger than the sum of its proper divisors (40561821).

84243699 is a wasteful number, since it uses less digits than its factorization.

84243699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120146 (or 3120140 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 84243699 is about 9178.4366315838. The cubic root of 84243699 is about 438.3750306426.

The spelling of 84243699 in words is "eighty-four million, two hundred forty-three thousand, six hundred ninety-nine".