84641854 has 8 divisors (see below), whose sum is σ = 138504888. Its totient is φ = 38473560.

The previous prime is 84641849. The next prime is 84641857. The reversal of 84641854 is 45814648.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84641857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1923657 + ... + 1923700.

It is an arithmetic number, because the mean of its divisors is an integer number (17313111).

Almost surely, 2^84641854 is an apocalyptic number.

84641854 is a deficient number, since it is larger than the sum of its proper divisors (53863034).

84641854 is a wasteful number, since it uses less digits than its factorization.

84641854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847370.

The product of its digits is 122880, while the sum is 40.

The square root of 84641854 is about 9200.1007603178. The cubic root of 84641854 is about 439.0645657185.

The spelling of 84641854 in words is "eighty-four million, six hundred forty-one thousand, eight hundred fifty-four".