84909098 has 4 divisors (see below), whose sum is σ = 127363650. Its totient is φ = 42454548.

The previous prime is 84909089. The next prime is 84909103. The reversal of 84909098 is 89090948.

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

It can be written as a sum of positive squares in only one way, i.e., 80694289 + 4214809 = 8983^2 + 2053^2 .

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 as a sum of consecutive naturals, namely, 21227273 + ... + 21227276.

Almost surely, 2^84909098 is an apocalyptic number.

84909098 is a deficient number, since it is larger than the sum of its proper divisors (42454552).

84909098 is a wasteful number, since it uses less digits than its factorization.

84909098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42454551.

The product of its (nonzero) digits is 186624, while the sum is 47.

The square root of 84909098 is about 9214.6132854287. The cubic root of 84909098 is about 439.5261738146.

The spelling of 84909098 in words is "eighty-four million, nine hundred nine thousand, ninety-eight".