84451248 has 240 divisors, whose sum is σ = 292481280. Its totient is φ = 23079168.

The previous prime is 84451231. The next prime is 84451249. The reversal of 84451248 is 84215448.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (84451249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 789211 + ... + 789317.

It is an arithmetic number, because the mean of its divisors is an integer number (1218672).

Almost surely, 2^84451248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84451248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

84451248 is an abundant number, since it is smaller than the sum of its proper divisors (208030032).

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

84451248 is a wasteful number, since it uses less digits than its factorization.

84451248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 148 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 84451248 is about 9189.7360136187. The cubic root of 84451248 is about 438.7347397717.

The spelling of 84451248 in words is "eighty-four million, four hundred fifty-one thousand, two hundred forty-eight".