446343644 has 12 divisors (see below), whose sum is σ = 788835768. Its totient is φ = 220962000.

The previous prime is 446343637. The next prime is 446343679.

446343644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 446343598 and 446343607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552002 + ... + 552809.

It is an arithmetic number, because the mean of its divisors is an integer number (65736314).

Almost surely, 2^446343644 is an apocalyptic number.

It is an amenable number.

446343644 is a deficient number, since it is larger than the sum of its proper divisors (342492124).

446343644 is a wasteful number, since it uses less digits than its factorization.

446343644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104916 (or 1104914 counting only the distinct ones).

The product of its digits is 331776, while the sum is 38.

The square root of 446343644 is about 21126.8465228486. The cubic root of 446343644 is about 764.2283040731.

The spelling of 446343644 in words is "four hundred forty-six million, three hundred forty-three thousand, six hundred forty-four".