445392 has 40 divisors (see below), whose sum is σ = 1279680. Its totient is φ = 148320.

The previous prime is 445363. The next prime is 445427. The reversal of 445392 is 293544.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 947.

It is an arithmetic number, because the mean of its divisors is an integer number (31992).

2⁴⁴⁵³⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639840).

445392 is an abundant number, since it is smaller than the sum of its proper divisors (834288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445392 is a wasteful number, since it uses less digits than its factorization.

445392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1036 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 445392 is about 667.3769549512. The cubic root of 445392 is about 76.3684783572.

The spelling of 445392 in words is "four hundred forty-five thousand, three hundred ninety-two".