385824487 has 4 divisors (see below), whose sum is σ = 387956296. Its totient is φ = 383692680.

The previous prime is 385824449. The next prime is 385824499. The reversal of 385824487 is 784428583.

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

It is a cyclic number.

It is not a de Polignac number, because 385824487 - 2⁷ = 385824359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385824487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385824407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1065633 + ... + 1065994.

It is an arithmetic number, because the mean of its divisors is an integer number (96989074).

Almost surely, 2^385824487 is an apocalyptic number.

385824487 is a deficient number, since it is larger than the sum of its proper divisors (2131809).

385824487 is a wasteful number, since it uses less digits than its factorization.

385824487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131808.

The product of its digits is 1720320, while the sum is 49.

The square root of 385824487 is about 19642.4155082821. The cubic root of 385824487 is about 727.9975691009.

The spelling of 385824487 in words is "three hundred eighty-five million, eight hundred twenty-four thousand, four hundred eighty-seven".