838674321 has 8 divisors (see below), whose sum is σ = 1137185760. Its totient is φ = 549639552.

The previous prime is 838674313. The next prime is 838674337. The reversal of 838674321 is 123476838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 838674321 - 2³ = 838674313 is a prime.

It is a super-2 number, since 2×838674321² = 1406749233409622082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (838674121) 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, 2368960 + ... + 2369313.

It is an arithmetic number, because the mean of its divisors is an integer number (142148220).

Almost surely, 2^838674321 is an apocalyptic number.

It is an amenable number.

838674321 is a deficient number, since it is larger than the sum of its proper divisors (298511439).

838674321 is a wasteful number, since it uses less digits than its factorization.

838674321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738335.

The product of its digits is 193536, while the sum is 42.

The square root of 838674321 is about 28959.8743263848. The cubic root of 838674321 is about 943.0421737774.

It can be divided in two parts, 83867 and 4321, that added together give a palindrome (88188).

The spelling of 838674321 in words is "eight hundred thirty-eight million, six hundred seventy-four thousand, three hundred twenty-one".