446078889 has 12 divisors (see below), whose sum is σ = 650593216. Its totient is φ = 294498072.

The previous prime is 446078879. The next prime is 446078891. The reversal of 446078889 is 988870644.

It is not a de Polignac number, because 446078889 - 2⁴ = 446078873 is a prime.

It is a super-2 number, since 2×446078889² = 397972750422948642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (446078819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239677 + ... + 241530.

Almost surely, 2^446078889 is an apocalyptic number.

It is an amenable number.

446078889 is a deficient number, since it is larger than the sum of its proper divisors (204514327).

446078889 is a wasteful number, since it uses less digits than its factorization.

446078889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481316 (or 481313 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The square root of 446078889 is about 21120.5797505656. The cubic root of 446078889 is about 764.0771699368.

The spelling of 446078889 in words is "four hundred forty-six million, seventy-eight thousand, eight hundred eighty-nine".