84891614 has 4 divisors (see below), whose sum is σ = 127337424. Its totient is φ = 42445806.

The previous prime is 84891593. The next prime is 84891679. The reversal of 84891614 is 41619848.

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

It is a super-2 number, since 2×84891614² = 14413172255049992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21222902 + ... + 21222905.

It is an arithmetic number, because the mean of its divisors is an integer number (31834356).

Almost surely, 2^84891614 is an apocalyptic number.

84891614 is a deficient number, since it is larger than the sum of its proper divisors (42445810).

84891614 is a wasteful number, since it uses less digits than its factorization.

84891614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42445809.

The product of its digits is 55296, while the sum is 41.

The square root of 84891614 is about 9213.6645261264. The cubic root of 84891614 is about 439.4960034979.

The spelling of 84891614 in words is "eighty-four million, eight hundred ninety-one thousand, six hundred fourteen".