84581494 has 8 divisors (see below), whose sum is σ = 134335368. Its totient is φ = 39803040.

The previous prime is 84581479. The next prime is 84581507. The reversal of 84581494 is 49418548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 84581494.

It is a congruent number.

It is an unprimeable number.

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, 1243812 + ... + 1243879.

It is an arithmetic number, because the mean of its divisors is an integer number (16791921).

Almost surely, 2^84581494 is an apocalyptic number.

84581494 is a deficient number, since it is larger than the sum of its proper divisors (49753874).

84581494 is a wasteful number, since it uses less digits than its factorization.

84581494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487710.

The product of its digits is 184320, while the sum is 43.

The square root of 84581494 is about 9196.8197764227. The cubic root of 84581494 is about 438.9601719774.

The spelling of 84581494 in words is "eighty-four million, five hundred eighty-one thousand, four hundred ninety-four".