395928140 has 24 divisors (see below), whose sum is σ = 832084512. Its totient is φ = 158250240.

The previous prime is 395928139. The next prime is 395928167. The reversal of 395928140 is 41829593.

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, 22100 + ... + 35780.

It is an arithmetic number, because the mean of its divisors is an integer number (34670188).

Almost surely, 2^395928140 is an apocalyptic number.

It is an amenable number.

395928140 is an abundant number, since it is smaller than the sum of its proper divisors (436156372).

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

395928140 is a wasteful number, since it uses less digits than its factorization.

395928140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15137 (or 15135 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 395928140 is about 19897.9431097790. The cubic root of 395928140 is about 734.2976244780.

The spelling of 395928140 in words is "three hundred ninety-five million, nine hundred twenty-eight thousand, one hundred forty".