384346477 has 8 divisors (see below), whose sum is σ = 386484480. Its totient is φ = 382215120.

The previous prime is 384346471. The next prime is 384346481. The reversal of 384346477 is 774643483.

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 384346477 - 2¹⁹ = 383822189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384346471) 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, 149868 + ... + 152410.

It is an arithmetic number, because the mean of its divisors is an integer number (48310560).

Almost surely, 2^384346477 is an apocalyptic number.

It is an amenable number.

384346477 is a deficient number, since it is larger than the sum of its proper divisors (2138003).

384346477 is a wasteful number, since it uses less digits than its factorization.

384346477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its digits is 1354752, while the sum is 46.

The square root of 384346477 is about 19604.7564891788. The cubic root of 384346477 is about 727.0667792266.

The spelling of 384346477 in words is "three hundred eighty-four million, three hundred forty-six thousand, four hundred seventy-seven".