384895 has 12 divisors (see below), whose sum is σ = 537624. Its totient is φ = 263760.

The previous prime is 384889. The next prime is 384907. The reversal of 384895 is 598483.

It is not a de Polignac number, because 384895 - 2⁹ = 384383 is a prime.

It is a super-2 number, since 2×384895² = 296288322050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541 + ... + 1030.

It is an arithmetic number, because the mean of its divisors is an integer number (44802).

2³⁸⁴⁸⁹⁵ is an apocalyptic number.

384895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

384895 is a deficient number, since it is larger than the sum of its proper divisors (152729).

384895 is a wasteful number, since it uses less digits than its factorization.

384895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590 (or 1583 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 384895 is about 620.3990651186. The cubic root of 384895 is about 72.7412494445.

The spelling of 384895 in words is "three hundred eighty-four thousand, eight hundred ninety-five".