384462421 has 8 divisors (see below), whose sum is σ = 439727360. Its totient is φ = 329282928.

The previous prime is 384462389. The next prime is 384462431. The reversal of 384462421 is 124264483.

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 384462421 - 2⁵ = 384462389 is a prime.

It is a super-3 number, since 3×384462421³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384462431) 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, 11406 + ... + 29983.

It is an arithmetic number, because the mean of its divisors is an integer number (54965920).

Almost surely, 2^384462421 is an apocalyptic number.

It is an amenable number.

384462421 is a deficient number, since it is larger than the sum of its proper divisors (55264939).

384462421 is a wasteful number, since it uses less digits than its factorization.

384462421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42723.

The product of its digits is 36864, while the sum is 34.

The square root of 384462421 is about 19607.7133036976. The cubic root of 384462421 is about 727.1398821519.

The spelling of 384462421 in words is "three hundred eighty-four million, four hundred sixty-two thousand, four hundred twenty-one".