395238540 has 48 divisors (see below), whose sum is σ = 1122266880. Its totient is φ = 103911360.

The previous prime is 395238527. The next prime is 395238607. The reversal of 395238540 is 45832593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42130 + ... + 50649.

It is an arithmetic number, because the mean of its divisors is an integer number (23380560).

Almost surely, 2^395238540 is an apocalyptic number.

395238540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395238540 is an abundant number, since it is smaller than the sum of its proper divisors (727028340).

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

395238540 is a wasteful number, since it uses less digits than its factorization.

395238540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92862 (or 92860 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The square root of 395238540 is about 19880.6071335862. The cubic root of 395238540 is about 733.8710606119.

The spelling of 395238540 in words is "three hundred ninety-five million, two hundred thirty-eight thousand, five hundred forty".