446894820 has 120 divisors (see below), whose sum is σ = 1475812800. Its totient is φ = 112891968.

The previous prime is 446894779. The next prime is 446894857. The reversal of 446894820 is 28498644.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 23521 + ... + 38039.

It is an arithmetic number, because the mean of its divisors is an integer number (12298440).

Almost surely, 2^446894820 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 446894820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737906400).

446894820 is an abundant number, since it is smaller than the sum of its proper divisors (1028917980).

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

446894820 is a wasteful number, since it uses less digits than its factorization.

446894820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14559 (or 14548 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 446894820 is about 21139.8869438793. The cubic root of 446894820 is about 764.5427486635.

The spelling of 446894820 in words is "four hundred forty-six million, eight hundred ninety-four thousand, eight hundred twenty".