84498720 has 96 divisors (see below), whose sum is σ = 267442560. Its totient is φ = 22425600.

The previous prime is 84498709. The next prime is 84498749. The reversal of 84498720 is 2789448.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192261 + ... + 192699.

It is an arithmetic number, because the mean of its divisors is an integer number (2785860).

Almost surely, 2^84498720 is an apocalyptic number.

84498720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84498720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133721280).

84498720 is an abundant number, since it is smaller than the sum of its proper divisors (182943840).

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

84498720 is a wasteful number, since it uses less digits than its factorization.

84498720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 84498720 is about 9192.3185323399. The cubic root of 84498720 is about 438.8169320215.

The spelling of 84498720 in words is "eighty-four million, four hundred ninety-eight thousand, seven hundred twenty".