84470844 has 24 divisors (see below), whose sum is σ = 201293568. Its totient is φ = 27557680.

The previous prime is 84470833. The next prime is 84470849. The reversal of 84470844 is 44807448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84470849) 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, 74322 + ... + 75449.

It is an arithmetic number, because the mean of its divisors is an integer number (8387232).

Almost surely, 2^84470844 is an apocalyptic number.

It is an amenable number.

84470844 is an abundant number, since it is smaller than the sum of its proper divisors (116822724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84470844 is a wasteful number, since it uses less digits than its factorization.

84470844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149825 (or 149823 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 39.

The square root of 84470844 is about 9190.8021412715. The cubic root of 84470844 is about 438.7686716999.

The spelling of 84470844 in words is "eighty-four million, four hundred seventy thousand, eight hundred forty-four".