84864846 has 64 divisors (see below), whose sum is σ = 193881600. Its totient is φ = 24528000.

The previous prime is 84864841. The next prime is 84864851. The reversal of 84864846 is 64846848.

It is an interprime number because it is at equal distance from previous prime (84864841) and next prime (84864851).

It is a junction number, because it is equal to n+sod(n) for n = 84864795 and 84864804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84864841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193095 + ... + 193533.

It is an arithmetic number, because the mean of its divisors is an integer number (3029400).

Almost surely, 2^84864846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84864846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96940800).

84864846 is an abundant number, since it is smaller than the sum of its proper divisors (109016754).

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

84864846 is a wasteful number, since it uses less digits than its factorization.

84864846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585.

The product of its digits is 1179648, while the sum is 48.

The square root of 84864846 is about 9212.2117865364. The cubic root of 84864846 is about 439.4498047227.

The spelling of 84864846 in words is "eighty-four million, eight hundred sixty-four thousand, eight hundred forty-six".