838140264 has 64 divisors (see below), whose sum is σ = 2507265600. Its totient is φ = 257888448.

The previous prime is 838140241. The next prime is 838140283. The reversal of 838140264 is 462041838.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 15 ways as a sum of consecutive naturals, for example, 146434 + ... + 152049.

It is an arithmetic number, because the mean of its divisors is an integer number (39176025).

Almost surely, 2^838140264 is an apocalyptic number.

It is an amenable number.

838140264 is an abundant number, since it is smaller than the sum of its proper divisors (1669125336).

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

838140264 is a wasteful number, since it uses less digits than its factorization.

838140264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298511 (or 298501 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 838140264 is about 28950.6522206323. The cubic root of 838140264 is about 942.8419589054.

The spelling of 838140264 in words is "eight hundred thirty-eight million, one hundred forty thousand, two hundred sixty-four".