838799361 has 32 divisors (see below), whose sum is σ = 1307443200. Its totient is φ = 530789760.

The previous prime is 838799341. The next prime is 838799383. The reversal of 838799361 is 163997838.

838799361 is a nontrivial binomial coefficient, being equal to C(40959, 2).

It is not a de Polignac number, because 838799361 - 2⁷ = 838799233 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 838799298 and 838799307.

It is not an unprimeable number, because it can be changed into a prime (838799341) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 30720 + ... + 51198.

It is an arithmetic number, because the mean of its divisors is an integer number (40857600).

Almost surely, 2^838799361 is an apocalyptic number.

838799361 is the 40958-th triangular number.

It is an amenable number.

838799361 is a deficient number, since it is larger than the sum of its proper divisors (468643839).

838799361 is a wasteful number, since it uses less digits than its factorization.

838799361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20566 (or 20560 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 838799361 is about 28962.0330950712. The cubic root of 838799361 is about 943.0890382677.

It can be divided in two parts, 838799 and 361, that added together give a triangular number (839160 = T₁₂₉₅).

The spelling of 838799361 in words is "eight hundred thirty-eight million, seven hundred ninety-nine thousand, three hundred sixty-one".