446981 has 4 divisors (see below), whose sum is σ = 473292. Its totient is φ = 420672.

The previous prime is 446969. The next prime is 446983. The reversal of 446981 is 189644.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 36100 = 641^2 + 190^2 .

It is a cyclic number.

It is not a de Polignac number, because 446981 - 2¹⁸ = 184837 is a prime.

It is a super-2 number, since 2×446981² = 399584028722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 446981.

It is not an unprimeable number, because it can be changed into a prime (446983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13130 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (118323).

2⁴⁴⁶⁹⁸¹ is an apocalyptic number.

It is an amenable number.

446981 is a deficient number, since it is larger than the sum of its proper divisors (26311).

446981 is a wasteful number, since it uses less digits than its factorization.

446981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310.

The product of its digits is 6912, while the sum is 32.

The square root of 446981 is about 668.5663766598. The cubic root of 446981 is about 76.4591890771.

The spelling of 446981 in words is "four hundred forty-six thousand, nine hundred eighty-one".