395139076 has 12 divisors (see below), whose sum is σ = 693100800. Its totient is φ = 197110280.

The previous prime is 395139049. The next prime is 395139077. The reversal of 395139076 is 670931593.

It is a happy number.

It is a super-2 number, since 2×395139076² = 312269778764267552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395139077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112876 + ... + 116323.

It is an arithmetic number, because the mean of its divisors is an integer number (57758400).

Almost surely, 2^395139076 is an apocalyptic number.

It is an amenable number.

395139076 is a deficient number, since it is larger than the sum of its proper divisors (297961724).

395139076 is a wasteful number, since it uses less digits than its factorization.

395139076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229634 (or 229632 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 395139076 is about 19878.1054429239. The cubic root of 395139076 is about 733.8094945214.

The spelling of 395139076 in words is "three hundred ninety-five million, one hundred thirty-nine thousand, seventy-six".