84604860 has 72 divisors (see below), whose sum is σ = 258725376. Its totient is φ = 22377600.

The previous prime is 84604823. The next prime is 84604873. The reversal of 84604860 is 6840648.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21010 + ... + 24710.

It is an arithmetic number, because the mean of its divisors is an integer number (3593408).

Almost surely, 2^84604860 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 84604860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129362688).

84604860 is an abundant number, since it is smaller than the sum of its proper divisors (174120516).

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

84604860 is a wasteful number, since it uses less digits than its factorization.

84604860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 84604860 is about 9198.0900191290. The cubic root of 84604860 is about 439.0005897983. Note that the first 3 decimals are identical.

It can be divided in two parts, 84 and 604860, that multiplied together give a triangular number (50808240 = T₁₀₀₈₀).

The spelling of 84604860 in words is "eighty-four million, six hundred four thousand, eight hundred sixty".