84419898 has 8 divisors (see below), whose sum is σ = 168839808. Its totient is φ = 28139964.

The previous prime is 84419891. The next prime is 84419911. The reversal of 84419898 is 89891448.

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

84419898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 84419898.

It is not an unprimeable number, because it can be changed into a prime (84419891) 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, 7034986 + ... + 7034997.

It is an arithmetic number, because the mean of its divisors is an integer number (21104976).

Almost surely, 2^84419898 is an apocalyptic number.

84419898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

84419898 is a wasteful number, since it uses less digits than its factorization.

84419898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14069988.

The product of its digits is 663552, while the sum is 51.

The square root of 84419898 is about 9188.0301479697. The cubic root of 84419898 is about 438.6804440025.

The spelling of 84419898 in words is "eighty-four million, four hundred nineteen thousand, eight hundred ninety-eight".