64804806 has 64 divisors (see below), whose sum is σ = 159206400. Its totient is φ = 19375200.

The previous prime is 64804781. The next prime is 64804807. The reversal of 64804806 is 60840846.

64804806 is a `hidden beast` number, since 648 + 0 + 4 + 8 + 0 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64804807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46236 + ... + 47616.

It is an arithmetic number, because the mean of its divisors is an integer number (2487600).

Almost surely, 2^64804806 is an apocalyptic number.

64804806 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 64804806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79603200).

64804806 is an abundant number, since it is smaller than the sum of its proper divisors (94401594).

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

64804806 is a wasteful number, since it uses less digits than its factorization.

64804806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 64804806 is about 8050.1432285395. The cubic root of 64804806 is about 401.6696997259.

The spelling of 64804806 in words is "sixty-four million, eight hundred four thousand, eight hundred six".