84866445 has 24 divisors (see below), whose sum is σ = 154845600. Its totient is φ = 42879456.

The previous prime is 84866423. The next prime is 84866449. The reversal of 84866445 is 54466848.

It is not a de Polignac number, because 84866445 - 2⁶ = 84866381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 84866445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84866449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48775 + ... + 50484.

It is an arithmetic number, because the mean of its divisors is an integer number (6451900).

Almost surely, 2^84866445 is an apocalyptic number.

It is an amenable number.

84866445 is a deficient number, since it is larger than the sum of its proper divisors (69979155).

84866445 is a wasteful number, since it uses less digits than its factorization.

84866445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99289 (or 99286 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 84866445 is about 9212.2985731032. The cubic root of 84866445 is about 439.4525647027.

The spelling of 84866445 in words is "eighty-four million, eight hundred sixty-six thousand, four hundred forty-five".