384064557 has 8 divisors (see below), whose sum is σ = 534350784. Its totient is φ = 244910688.

The previous prime is 384064501. The next prime is 384064573. The reversal of 384064557 is 755460483.

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

It is not a de Polignac number, because 384064557 - 2²⁰ = 383015981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384064957) 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, 2783008 + ... + 2783145.

It is an arithmetic number, because the mean of its divisors is an integer number (66793848).

Almost surely, 2^384064557 is an apocalyptic number.

It is an amenable number.

384064557 is a deficient number, since it is larger than the sum of its proper divisors (150286227).

384064557 is a wasteful number, since it uses less digits than its factorization.

384064557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5566179.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 384064557 is about 19597.5650783458. The cubic root of 384064557 is about 726.8889667443. Note that the first 3 decimals are identical.

The spelling of 384064557 in words is "three hundred eighty-four million, sixty-four thousand, five hundred fifty-seven".