384491 has 8 divisors (see below), whose sum is σ = 408480. Its totient is φ = 361152.

The previous prime is 384487. The next prime is 384497. The reversal of 384491 is 194483.

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 384491 - 2² = 384487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384497) 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, 1565 + ... + 1793.

It is an arithmetic number, because the mean of its divisors is an integer number (51060).

2³⁸⁴⁴⁹¹ is an apocalyptic number.

384491 is a deficient number, since it is larger than the sum of its proper divisors (23989).

384491 is a wasteful number, since it uses less digits than its factorization.

384491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325.

The product of its digits is 3456, while the sum is 29.

The square root of 384491 is about 620.0733827540. The cubic root of 384491 is about 72.7157899011.

The spelling of 384491 in words is "three hundred eighty-four thousand, four hundred ninety-one".