445916 has 12 divisors (see below), whose sum is σ = 799680. Its totient is φ = 217440.

The previous prime is 445891. The next prime is 445931. The reversal of 445916 is 619544.

It is a congruent number.

It is an unprimeable number.

445916 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196 + ... + 1523.

It is an arithmetic number, because the mean of its divisors is an integer number (66640).

2⁴⁴⁵⁹¹⁶ is an apocalyptic number.

It is an amenable number.

445916 is a deficient number, since it is larger than the sum of its proper divisors (353764).

445916 is a wasteful number, since it uses less digits than its factorization.

445916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764 (or 2762 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 445916 is about 667.7694212825. The cubic root of 445916 is about 76.3984155807.

It can be divided in two parts, 44591 and 6, that multiplied together give a triangular number (267546 = T₇₃₁).

The spelling of 445916 in words is "four hundred forty-five thousand, nine hundred sixteen".