285696067 has 4 divisors (see below), whose sum is σ = 302501736. Its totient is φ = 268890400.

The previous prime is 285696053. The next prime is 285696079. The reversal of 285696067 is 760696582.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-285696067 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 285696067.

It is not an unprimeable number, because it can be changed into a prime (285696007) 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, 8402809 + ... + 8402842.

It is an arithmetic number, because the mean of its divisors is an integer number (75625434).

Almost surely, 2^285696067 is an apocalyptic number.

285696067 is a deficient number, since it is larger than the sum of its proper divisors (16805669).

285696067 is a wasteful number, since it uses less digits than its factorization.

285696067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805668.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 285696067 is about 16902.5461691427. The cubic root of 285696067 is about 658.6197563405.

The spelling of 285696067 in words is "two hundred eighty-five million, six hundred ninety-six thousand, sixty-seven".