84466620 has 144 divisors (see below), whose sum is σ = 299819520. Its totient is φ = 18845568.

The previous prime is 84466561. The next prime is 84466631. The reversal of 84466620 is 2666448.

It is a happy number.

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 47 ways as a sum of consecutive naturals, for example, 53401 + ... + 54959.

It is an arithmetic number, because the mean of its divisors is an integer number (2082080).

Almost surely, 2^84466620 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 84466620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149909760).

84466620 is an abundant number, since it is smaller than the sum of its proper divisors (215352900).

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

84466620 is a wasteful number, since it uses less digits than its factorization.

84466620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624 (or 1619 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 84466620 is about 9190.5723434398. The cubic root of 84466620 is about 438.7613579742.

The spelling of 84466620 in words is "eighty-four million, four hundred sixty-six thousand, six hundred twenty".