84984398 has 4 divisors (see below), whose sum is σ = 127476600. Its totient is φ = 42492198.

The previous prime is 84984353. The next prime is 84984433. The reversal of 84984398 is 89348948.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21246098 + ... + 21246101.

It is an arithmetic number, because the mean of its divisors is an integer number (31869150).

Almost surely, 2^84984398 is an apocalyptic number.

84984398 is a deficient number, since it is larger than the sum of its proper divisors (42492202).

84984398 is a wasteful number, since it uses less digits than its factorization.

84984398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42492201.

The product of its digits is 1990656, while the sum is 53.

The square root of 84984398 is about 9218.6982812109. The cubic root of 84984398 is about 439.6560638691.

The spelling of 84984398 in words is "eighty-four million, nine hundred eighty-four thousand, three hundred ninety-eight".