801494784 has 288 divisors, whose sum is σ = 2649024000. Its totient is φ = 237551616.

The previous prime is 801494783. The next prime is 801494819. The reversal of 801494784 is 487494108.

801494784 is a `hidden beast` number, since 80 + 1 + 494 + 7 + 84 = 666.

801494784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801494783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2232397 + ... + 2232755.

It is an arithmetic number, because the mean of its divisors is an integer number (9198000).

Almost surely, 2^801494784 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 801494784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324512000).

801494784 is an abundant number, since it is smaller than the sum of its proper divisors (1847529216).

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

801494784 is a wasteful number, since it uses less digits than its factorization.

801494784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 801494784 is about 28310.6832132324. The cubic root of 801494784 is about 928.8955880496.

The spelling of 801494784 in words is "eight hundred one million, four hundred ninety-four thousand, seven hundred eighty-four".