446781016 has 16 divisors (see below), whose sum is σ = 913870440. Its totient is φ = 203082240.

The previous prime is 446780969. The next prime is 446781037. The reversal of 446781016 is 610187644.

It is a happy number.

It is a super-2 number, since 2×446781016² = 399226552515984512, which contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2538441 + ... + 2538616.

Almost surely, 2^446781016 is an apocalyptic number.

It is an amenable number.

446781016 is an abundant number, since it is smaller than the sum of its proper divisors (467089424).

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

446781016 is a wasteful number, since it uses less digits than its factorization.

446781016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077074 (or 5077070 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 446781016 is about 21137.1950835488. The cubic root of 446781016 is about 764.4778449428.

The spelling of 446781016 in words is "four hundred forty-six million, seven hundred eighty-one thousand, sixteen".