446986988 has 12 divisors (see below), whose sum is σ = 893974032. Its totient is φ = 191565840.

The previous prime is 446986987. The next prime is 446986997. The reversal of 446986988 is 889689644.

446986988 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 446986988.

It is not an unprimeable number, because it can be changed into a prime (446986987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7981883 + ... + 7981938.

It is an arithmetic number, because the mean of its divisors is an integer number (74497836).

Almost surely, 2^446986988 is an apocalyptic number.

It is an amenable number.

446986988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

446986988 is a wasteful number, since it uses less digits than its factorization.

446986988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15963832 (or 15963830 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 62.

The square root of 446986988 is about 21142.0667863859. The cubic root of 446986988 is about 764.5953050512.

The spelling of 446986988 in words is "four hundred forty-six million, nine hundred eighty-six thousand, nine hundred eighty-eight".