838505395 has 24 divisors (see below), whose sum is σ = 1260527184. Its totient is φ = 530744256.

The previous prime is 838505389. The next prime is 838505413. The reversal of 838505395 is 593505838.

It is a happy number.

It is not a de Polignac number, because 838505395 - 2¹⁵ = 838472627 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128449 + ... + 134818.

It is an arithmetic number, because the mean of its divisors is an integer number (52521966).

Almost surely, 2^838505395 is an apocalyptic number.

838505395 is a deficient number, since it is larger than the sum of its proper divisors (422021789).

838505395 is a wasteful number, since it uses less digits than its factorization.

838505395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263299 (or 263292 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

The square root of 838505395 is about 28956.9576267950. The cubic root of 838505395 is about 942.9788535925.

The spelling of 838505395 in words is "eight hundred thirty-eight million, five hundred five thousand, three hundred ninety-five".