84298620 has 144 divisors (see below), whose sum is σ = 280270368. Its totient is φ = 18869760.

The previous prime is 84298607. The next prime is 84298633. The reversal of 84298620 is 2689248.

84298620 is a nontrivial binomial coefficient, being equal to C(12985, 2).

It is an interprime number because it is at equal distance from previous prime (84298607) and next prime (84298633).

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 47 ways as a sum of consecutive naturals, for example, 155550 + ... + 156090.

It is an arithmetic number, because the mean of its divisors is an integer number (1946322).

Almost surely, 2^84298620 is an apocalyptic number.

84298620 is the 12984-th triangular number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84298620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140135184).

84298620 is an abundant number, since it is smaller than the sum of its proper divisors (195971748).

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

84298620 is a wasteful number, since it uses less digits than its factorization.

84298620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 84298620 is about 9181.4279935095. The cubic root of 84298620 is about 438.4702732356.

The spelling of 84298620 in words is "eighty-four million, two hundred ninety-eight thousand, six hundred twenty".