446149 has 4 divisors (see below), whose sum is σ = 486720. Its totient is φ = 405580.

The previous prime is 446141. The next prime is 446179. The reversal of 446149 is 941644.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 446149 - 2³ = 446141 is a prime.

It is a Duffinian number.

446149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20269 + ... + 20290.

It is an arithmetic number, because the mean of its divisors is an integer number (121680).

446149 is a Friedman number, since it can be written as 9^4*(64+4)+1, using all its digits and the basic arithmetic operations.

2⁴⁴⁶¹⁴⁹ is an apocalyptic number.

It is an amenable number.

446149 is a deficient number, since it is larger than the sum of its proper divisors (40571).

446149 is a wasteful number, since it uses less digits than its factorization.

446149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40570.

The product of its digits is 3456, while the sum is 28.

The square root of 446149 is about 667.9438599164. The cubic root of 446149 is about 76.4117198289.

It can be divided in two parts, 446 and 149, that added together give a palindrome (595).

The spelling of 446149 in words is "four hundred forty-six thousand, one hundred forty-nine".