393095444 has 36 divisors (see below), whose sum is σ = 804925044. Its totient is φ = 167481216.

The previous prime is 393095441. The next prime is 393095453. The reversal of 393095444 is 444590393.

It can be written as a sum of positive squares in 2 ways, for example, as 366263044 + 26832400 = 19138^2 + 5180^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393095441) 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, 28112 + ... + 39704.

It is an arithmetic number, because the mean of its divisors is an integer number (22359029).

Almost surely, 2^393095444 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 393095444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402462522).

393095444 is an abundant number, since it is smaller than the sum of its proper divisors (411829600).

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

393095444 is a wasteful number, since it uses less digits than its factorization.

393095444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11784 (or 11775 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 393095444 is about 19826.6347119222. The cubic root of 393095444 is about 732.5422366122.

The spelling of 393095444 in words is "three hundred ninety-three million, ninety-five thousand, four hundred forty-four".