445947 has 12 divisors (see below), whose sum is σ = 623784. Its totient is φ = 283360.

The previous prime is 445943. The next prime is 445967. The reversal of 445947 is 749544.

It is a happy number.

It is not a de Polignac number, because 445947 - 2² = 445943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1447 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (51982).

2⁴⁴⁵⁹⁴⁷ is an apocalyptic number.

445947 is a deficient number, since it is larger than the sum of its proper divisors (177837).

445947 is a wasteful number, since it uses less digits than its factorization.

445947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 307 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 445947 is about 667.7926324841. The cubic root of 445947 is about 76.4001859411.

The spelling of 445947 in words is "four hundred forty-five thousand, nine hundred forty-seven".