838954321 has 8 divisors (see below), whose sum is σ = 847171584. Its totient is φ = 830777280.

The previous prime is 838954283. The next prime is 838954327. The reversal of 838954321 is 123459838.

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

It is a cyclic number.

It is not a de Polignac number, because 838954321 - 2⁹ = 838953809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (838954327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32745 + ... + 52441.

It is an arithmetic number, because the mean of its divisors is an integer number (105896448).

Almost surely, 2^838954321 is an apocalyptic number.

It is an amenable number.

838954321 is a deficient number, since it is larger than the sum of its proper divisors (8217263).

838954321 is a wasteful number, since it uses less digits than its factorization.

838954321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20111.

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

The square root of 838954321 is about 28964.7081980813. The cubic root of 838954321 is about 943.1471101920.

The spelling of 838954321 in words is "eight hundred thirty-eight million, nine hundred fifty-four thousand, three hundred twenty-one".