838509064 has 16 divisors (see below), whose sum is σ = 1654952400. Its totient is φ = 397188432.

The previous prime is 838509047. The next prime is 838509079. The reversal of 838509064 is 460905838.

It is a self number, because there is not a number n which added to its sum of digits gives 838509064.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2758102 + ... + 2758405.

It is an arithmetic number, because the mean of its divisors is an integer number (103434525).

Almost surely, 2^838509064 is an apocalyptic number.

It is an amenable number.

838509064 is a deficient number, since it is larger than the sum of its proper divisors (816443336).

838509064 is a wasteful number, since it uses less digits than its factorization.

838509064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5516532 (or 5516528 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 838509064 is about 28957.0209793756. The cubic root of 838509064 is about 942.9802289701.

The spelling of 838509064 in words is "eight hundred thirty-eight million, five hundred nine thousand, sixty-four".