84684495 has 72 divisors (see below), whose sum is σ = 164430864. Its totient is φ = 37105152.

The previous prime is 84684493. The next prime is 84684503. The reversal of 84684495 is 59448648.

It is not a de Polignac number, because 84684495 - 2¹ = 84684493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84684493) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 618067 + ... + 618203.

It is an arithmetic number, because the mean of its divisors is an integer number (2283762).

Almost surely, 2^84684495 is an apocalyptic number.

84684495 is a deficient number, since it is larger than the sum of its proper divisors (79746369).

84684495 is a wasteful number, since it uses less digits than its factorization.

84684495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 181 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 84684495 is about 9202.4178887942. The cubic root of 84684495 is about 439.1382842088.

The spelling of 84684495 in words is "eighty-four million, six hundred eighty-four thousand, four hundred ninety-five".