384048557 has 4 divisors (see below), whose sum is σ = 384258336. Its totient is φ = 383838780.

The previous prime is 384048487. The next prime is 384048559. The reversal of 384048557 is 755840483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 384048557 - 2¹⁶ = 383983021 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 (384048559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102119 + ... + 105812.

It is an arithmetic number, because the mean of its divisors is an integer number (96064584).

Almost surely, 2^384048557 is an apocalyptic number.

It is an amenable number.

384048557 is a deficient number, since it is larger than the sum of its proper divisors (209779).

384048557 is a wasteful number, since it uses less digits than its factorization.

384048557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209778.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 384048557 is about 19597.1568601162. The cubic root of 384048557 is about 726.8788726210.

The spelling of 384048557 in words is "three hundred eighty-four million, forty-eight thousand, five hundred fifty-seven".