84821360 has 40 divisors (see below), whose sum is σ = 212382240. Its totient is φ = 31318272.

The previous prime is 84821351. The next prime is 84821383. The reversal of 84821360 is 6312848.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×84821360² = 14389326224499200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39740 + ... + 41819.

It is an arithmetic number, because the mean of its divisors is an integer number (5309556).

Almost surely, 2^84821360 is an apocalyptic number.

84821360 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

84821360 is an abundant number, since it is smaller than the sum of its proper divisors (127560880).

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

84821360 is a wasteful number, since it uses less digits than its factorization.

84821360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81585 (or 81579 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 84821360 is about 9209.8512474415. The cubic root of 84821360 is about 439.3747317092.

The spelling of 84821360 in words is "eighty-four million, eight hundred twenty-one thousand, three hundred sixty".