838782274 has 16 divisors (see below), whose sum is σ = 1373003136. Its totient is φ = 381139600.

The previous prime is 838782271. The next prime is 838782299. The reversal of 838782274 is 472287838.

It is a super-2 number, since 2×838782274² = 1407111406353222152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838782271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112119 + ... + 119365.

It is an arithmetic number, because the mean of its divisors is an integer number (85812696).

Almost surely, 2^838782274 is an apocalyptic number.

838782274 is a deficient number, since it is larger than the sum of its proper divisors (534220862).

838782274 is a wasteful number, since it uses less digits than its factorization.

838782274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521.

The product of its digits is 1204224, while the sum is 49.

The square root of 838782274 is about 28961.7381039191. The cubic root of 838782274 is about 943.0826344034.

It can be divided in two parts, 838782 and 274, that added together give a square (839056 = 916²).

The spelling of 838782274 in words is "eight hundred thirty-eight million, seven hundred eighty-two thousand, two hundred seventy-four".