446491377 has 6 divisors (see below), whose sum is σ = 644932002. Its totient is φ = 297660912.

The previous prime is 446491333. The next prime is 446491427. The reversal of 446491377 is 773194644.

It can be written as a sum of positive squares in only one way, i.e., 427621041 + 18870336 = 20679^2 + 4344^2 .

It is not a de Polignac number, because 446491377 - 2¹⁰ = 446490353 is a prime.

It is a super-2 number, since 2×446491377² = 398709099470712258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (446491307) 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 5 ways as a sum of consecutive naturals, for example, 24805068 + ... + 24805085.

It is an arithmetic number, because the mean of its divisors is an integer number (107488667).

Almost surely, 2^446491377 is an apocalyptic number.

It is an amenable number.

446491377 is a deficient number, since it is larger than the sum of its proper divisors (198440625).

446491377 is a wasteful number, since it uses less digits than its factorization.

446491377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49610159 (or 49610156 counting only the distinct ones).

The product of its digits is 508032, while the sum is 45.

The square root of 446491377 is about 21130.3425670291. The cubic root of 446491377 is about 764.3126107783.

The spelling of 446491377 in words is "four hundred forty-six million, four hundred ninety-one thousand, three hundred seventy-seven".