84664254 has 16 divisors (see below), whose sum is σ = 169418880. Its totient is φ = 28206360.

The previous prime is 84664241. The next prime is 84664271. The reversal of 84664254 is 45246648.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19057 + ... + 23075.

It is an arithmetic number, because the mean of its divisors is an integer number (10588680).

Almost surely, 2^84664254 is an apocalyptic number.

84664254 is an abundant number, since it is smaller than the sum of its proper divisors (84754626).

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

84664254 is a wasteful number, since it uses less digits than its factorization.

84664254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7535.

The product of its digits is 184320, while the sum is 39.

The square root of 84664254 is about 9201.3180577567. The cubic root of 84664254 is about 439.1032943078.

It can be divided in two parts, 8466 and 4254, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 84664254 in words is "eighty-four million, six hundred sixty-four thousand, two hundred fifty-four".