84621306 has 64 divisors (see below), whose sum is σ = 212576256. Its totient is φ = 21816000.

The previous prime is 84621283. The next prime is 84621343. The reversal of 84621306 is 60312648.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69156 + ... + 70368.

It is an arithmetic number, because the mean of its divisors is an integer number (3321504).

Almost surely, 2^84621306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84621306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106288128).

84621306 is an abundant number, since it is smaller than the sum of its proper divisors (127954950).

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

84621306 is a wasteful number, since it uses less digits than its factorization.

84621306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 84621306 is about 9198.9839656345. The cubic root of 84621306 is about 439.0290331444.

The spelling of 84621306 in words is "eighty-four million, six hundred twenty-one thousand, three hundred six".