84454650 has 168 divisors, whose sum is σ = 269979744. Its totient is φ = 19245600.

The previous prime is 84454637. The next prime is 84454651. The reversal of 84454650 is 5645448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84454651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 254985 + ... + 255315.

Almost surely, 2^84454650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84454650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134989872).

84454650 is an abundant number, since it is smaller than the sum of its proper divisors (185525094).

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

84454650 is a wasteful number, since it uses less digits than its factorization.

84454650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 84454650 is about 9189.9211095635. The cubic root of 84454650 is about 438.7406309636.

The spelling of 84454650 in words is "eighty-four million, four hundred fifty-four thousand, six hundred fifty".