384640895 has 8 divisors (see below), whose sum is σ = 488720304. Its totient is φ = 289611904.

The previous prime is 384640889. The next prime is 384640897. The reversal of 384640895 is 598046483.

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 384640895 - 2¹² = 384636799 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 (384640897) 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, 2262509 + ... + 2262678.

It is an arithmetic number, because the mean of its divisors is an integer number (61090038).

Almost surely, 2^384640895 is an apocalyptic number.

384640895 is a deficient number, since it is larger than the sum of its proper divisors (104079409).

384640895 is a wasteful number, since it uses less digits than its factorization.

384640895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525209.

The product of its (nonzero) digits is 829440, while the sum is 47.

The square root of 384640895 is about 19612.2638927789. The cubic root of 384640895 is about 727.2523816491.

The spelling of 384640895 in words is "three hundred eighty-four million, six hundred forty thousand, eight hundred ninety-five".