285838465 has 8 divisors (see below), whose sum is σ = 374188608. Its totient is φ = 207882480.

The previous prime is 285838433. The next prime is 285838499. The reversal of 285838465 is 564838582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 285838465 - 2⁵ = 285838433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2598477 + ... + 2598586.

It is an arithmetic number, because the mean of its divisors is an integer number (46773576).

Almost surely, 2^285838465 is an apocalyptic number.

It is an amenable number.

285838465 is a deficient number, since it is larger than the sum of its proper divisors (88350143).

285838465 is a wasteful number, since it uses less digits than its factorization.

285838465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197079.

The product of its digits is 1843200, while the sum is 49.

The square root of 285838465 is about 16906.7579683392. The cubic root of 285838465 is about 658.7291623019.

The spelling of 285838465 in words is "two hundred eighty-five million, eight hundred thirty-eight thousand, four hundred sixty-five".