84851000 has 128 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 30528000.

The previous prime is 84850973. The next prime is 84851033. The reversal of 84851000 is 15848.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 792947 + ... + 793053.

Almost surely, 2^84851000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84851000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109680480).

84851000 is an abundant number, since it is smaller than the sum of its proper divisors (134509960).

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

84851000 is a wasteful number, since it uses less digits than its factorization.

84851000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 84851000 is about 9211.4602534017. The cubic root of 84851000 is about 439.4259041592.

Adding to 84851000 its reverse (15848), we get a palindrome (84866848).

The spelling of 84851000 in words is "eighty-four million, eight hundred fifty-one thousand".