285672497 has 8 divisors (see below), whose sum is σ = 312388032. Its totient is φ = 259081200.

The previous prime is 285672493. The next prime is 285672503. The reversal of 285672497 is 794276582.

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 285672497 - 2² = 285672493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285672493) 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, 26213 + ... + 35474.

It is an arithmetic number, because the mean of its divisors is an integer number (39048504).

Almost surely, 2^285672497 is an apocalyptic number.

It is an amenable number.

285672497 is a deficient number, since it is larger than the sum of its proper divisors (26715535).

285672497 is a wasteful number, since it uses less digits than its factorization.

285672497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62119.

The product of its digits is 1693440, while the sum is 50.

The square root of 285672497 is about 16901.8489225292. The cubic root of 285672497 is about 658.6016437419.

The spelling of 285672497 in words is "two hundred eighty-five million, six hundred seventy-two thousand, four hundred ninety-seven".