84600450 has 168 divisors, whose sum is σ = 258595056. Its totient is φ = 20412000.

The previous prime is 84600433. The next prime is 84600491. The reversal of 84600450 is 5400648.

84600450 is a `hidden beast` number, since 8 + 4 + 600 + 4 + 50 = 666.

It is a super-2 number, since 2×84600450² = 14314472280405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 83 ways as a sum of consecutive naturals, for example, 400845 + ... + 401055.

Almost surely, 2^84600450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84600450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129297528).

84600450 is an abundant number, since it is smaller than the sum of its proper divisors (173994606).

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

84600450 is a wasteful number, since it uses less digits than its factorization.

84600450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 84600450 is about 9197.8502923237. The cubic root of 84600450 is about 438.9929620795.

The spelling of 84600450 in words is "eighty-four million, six hundred thousand, four hundred fifty".