285672242 has 8 divisors (see below), whose sum is σ = 430287132. Its totient is φ = 142243200.

The previous prime is 285672229. The next prime is 285672253. The reversal of 285672242 is 242276582.

It can be written as a sum of positive squares in 2 ways, for example, as 281266441 + 4405801 = 16771^2 + 2099^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 285672196 and 285672205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295859 + ... + 296822.

Almost surely, 2^285672242 is an apocalyptic number.

285672242 is a deficient number, since it is larger than the sum of its proper divisors (144614890).

285672242 is a wasteful number, since it uses less digits than its factorization.

285672242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592924.

The product of its digits is 107520, while the sum is 38.

The square root of 285672242 is about 16901.8413789741. The cubic root of 285672242 is about 658.6014477792.

The spelling of 285672242 in words is "two hundred eighty-five million, six hundred seventy-two thousand, two hundred forty-two".