446985720 has 48 divisors (see below), whose sum is σ = 1452704760. Its totient is φ = 119196096.

The previous prime is 446985719. The next prime is 446985727. The reversal of 446985720 is 27589644.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446985727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620454 + ... + 621173.

Almost surely, 2^446985720 is an apocalyptic number.

446985720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

446985720 is an abundant number, since it is smaller than the sum of its proper divisors (1005719040).

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

446985720 is a wasteful number, since it uses less digits than its factorization.

446985720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241644 (or 1241637 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 446985720 is about 21142.0367987571. The cubic root of 446985720 is about 764.5945820564.

The spelling of 446985720 in words is "four hundred forty-six million, nine hundred eighty-five thousand, seven hundred twenty".