384634 has 4 divisors (see below), whose sum is σ = 576954. Its totient is φ = 192316.

The previous prime is 384623. The next prime is 384641. The reversal of 384634 is 436483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 363609 + 21025 = 603^2 + 145^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96157 + ... + 96160.

2³⁸⁴⁶³⁴ is an apocalyptic number.

384634 is a deficient number, since it is larger than the sum of its proper divisors (192320).

384634 is a wasteful number, since it uses less digits than its factorization.

384634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192319.

The product of its digits is 6912, while the sum is 28.

The square root of 384634 is about 620.1886809673. The cubic root of 384634 is about 72.7248036094.

The spelling of 384634 in words is "three hundred eighty-four thousand, six hundred thirty-four".