446447412 has 18 divisors (see below), whose sum is σ = 1128519938. Its totient is φ = 148815792.

The previous prime is 446447381. The next prime is 446447509. The reversal of 446447412 is 214744644.

446447412 is a `hidden beast` number, since 4 + 4 + 644 + 7 + 4 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 445800996 + 646416 = 21114^2 + 804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12401317 = 446447412 / (4 + 4 + 6 + 4 + 4 + 7 + 4 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6200623 + ... + 6200694.

Almost surely, 2^446447412 is an apocalyptic number.

It is an amenable number.

446447412 is an abundant number, since it is smaller than the sum of its proper divisors (682072526).

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

446447412 is a wasteful number, since it uses less digits than its factorization.

446447412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12401327 (or 12401322 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 446447412 is about 21129.3022128039. The cubic root of 446447412 is about 764.2875232413.

The spelling of 446447412 in words is "four hundred forty-six million, four hundred forty-seven thousand, four hundred twelve".