84288750 has 240 divisors, whose sum is σ = 274412160. Its totient is φ = 16848000.

The previous prime is 84288749. The next prime is 84288751. The reversal of 84288750 is 5788248.

It is an interprime number because it is at equal distance from previous prime (84288749) and next prime (84288751).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84288751) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4436241 + ... + 4436259.

It is an arithmetic number, because the mean of its divisors is an integer number (1143384).

Almost surely, 2^84288750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84288750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137206080).

84288750 is an abundant number, since it is smaller than the sum of its proper divisors (190123410).

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

84288750 is a wasteful number, since it uses less digits than its factorization.

84288750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 49 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The square root of 84288750 is about 9180.8904796866. The cubic root of 84288750 is about 438.4531599838.

The spelling of 84288750 in words is "eighty-four million, two hundred eighty-eight thousand, seven hundred fifty".