84646899 has 6 divisors (see below), whose sum is σ = 122267756. Its totient is φ = 56431260.

The previous prime is 84646889. The next prime is 84646901. The reversal of 84646899 is 99864648.

It is not a de Polignac number, because 84646899 - 2¹⁶ = 84581363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84646819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4702597 + ... + 4702614.

Almost surely, 2^84646899 is an apocalyptic number.

84646899 is a deficient number, since it is larger than the sum of its proper divisors (37620857).

84646899 is a wasteful number, since it uses less digits than its factorization.

84646899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405217 (or 9405214 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 84646899 is about 9200.3749380120. The cubic root of 84646899 is about 439.0732888920.

The spelling of 84646899 in words is "eighty-four million, six hundred forty-six thousand, eight hundred ninety-nine".