395944428 has 72 divisors (see below), whose sum is σ = 1019556720. Its totient is φ = 119504000.

The previous prime is 395944427. The next prime is 395944459. The reversal of 395944428 is 824449593.

It is not an unprimeable number, because it can be changed into a prime (395944427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564478 + ... + 565178.

It is an arithmetic number, because the mean of its divisors is an integer number (14160510).

Almost surely, 2^395944428 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 395944428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509778360).

395944428 is an abundant number, since it is smaller than the sum of its proper divisors (623612292).

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

395944428 is a wasteful number, since it uses less digits than its factorization.

395944428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119 (or 1106 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 395944428 is about 19898.3523941054. The cubic root of 395944428 is about 734.3076937090.

The spelling of 395944428 in words is "three hundred ninety-five million, nine hundred forty-four thousand, four hundred twenty-eight".