395311434 has 16 divisors (see below), whose sum is σ = 903569088. Its totient is φ = 112946112.

The previous prime is 395311379. The next prime is 395311519. The reversal of 395311434 is 434113593.

It is a happy number.

It is a super-2 number, since 2×395311434² = 312542259702272712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 395311395 and 395311404.

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, 4706047 + ... + 4706130.

It is an arithmetic number, because the mean of its divisors is an integer number (56473068).

Almost surely, 2^395311434 is an apocalyptic number.

395311434 is an abundant number, since it is smaller than the sum of its proper divisors (508257654).

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

395311434 is a wasteful number, since it uses less digits than its factorization.

395311434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9412189.

The product of its digits is 19440, while the sum is 33.

The square root of 395311434 is about 19882.4403431772. The cubic root of 395311434 is about 733.9161738818.

The spelling of 395311434 in words is "three hundred ninety-five million, three hundred eleven thousand, four hundred thirty-four".