384696417121 has 3 divisors (see below), whose sum is σ = 384697037361. Its totient is φ = 384695796882.

The previous prime is 384696417107. The next prime is 384696417137. The reversal of 384696417121 is 121714696483.

The square root of 384696417121 is 620239.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 384696417121 - 2¹¹ = 384696415073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384696417421) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 310120 + ... + 930358.

It is an arithmetic number, because the mean of its divisors is an integer number (128232345787).

Almost surely, 2^384696417121 is an apocalyptic number.

384696417121 is the 620239-th square number.

384696417121 is the 310120-th centered octagonal number.

It is an amenable number.

384696417121 is a deficient number, since it is larger than the sum of its proper divisors (620240).

384696417121 is an frugal number, since it uses more digits than its factorization.

384696417121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240478 (or 620239 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 384696417121 in words is "three hundred eighty-four billion, six hundred ninety-six million, four hundred seventeen thousand, one hundred twenty-one".