84498747 has 4 divisors (see below), whose sum is σ = 112665000. Its totient is φ = 56332496.

The previous prime is 84498709. The next prime is 84498749. The reversal of 84498747 is 74789448.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84498747 - 2⁶ = 84498683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84498747.

It is not an unprimeable number, because it can be changed into a prime (84498749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14083122 + ... + 14083127.

It is an arithmetic number, because the mean of its divisors is an integer number (28166250).

Almost surely, 2^84498747 is an apocalyptic number.

84498747 is a deficient number, since it is larger than the sum of its proper divisors (28166253).

84498747 is a wasteful number, since it uses less digits than its factorization.

84498747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28166252.

The product of its digits is 1806336, while the sum is 51.

The square root of 84498747 is about 9192.3200009573. The cubic root of 84498747 is about 438.8169787601.

The spelling of 84498747 in words is "eighty-four million, four hundred ninety-eight thousand, seven hundred forty-seven".