84686422 has 16 divisors (see below), whose sum is σ = 129424752. Its totient is φ = 41548320.

The previous prime is 84686369. The next prime is 84686423. The reversal of 84686422 is 22468648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84686423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88953 + ... + 89899.

It is an arithmetic number, because the mean of its divisors is an integer number (8089047).

Almost surely, 2^84686422 is an apocalyptic number.

84686422 is a deficient number, since it is larger than the sum of its proper divisors (44738330).

84686422 is a wasteful number, since it uses less digits than its factorization.

84686422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743.

The product of its digits is 147456, while the sum is 40.

The square root of 84686422 is about 9202.5225889427. The cubic root of 84686422 is about 439.1416150548.

The spelling of 84686422 in words is "eighty-four million, six hundred eighty-six thousand, four hundred twenty-two".