285697612 has 18 divisors (see below), whose sum is σ = 516626124. Its totient is φ = 138238920.

The previous prime is 285697603. The next prime is 285697619. The reversal of 285697612 is 216796582.

285697612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (285697619) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33318 + ... + 41005.

Almost surely, 2^285697612 is an apocalyptic number.

It is an amenable number.

285697612 is a deficient number, since it is larger than the sum of its proper divisors (230928512).

285697612 is a wasteful number, since it uses less digits than its factorization.

285697612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74389 (or 74356 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 285697612 is about 16902.5918722544. The cubic root of 285697612 is about 658.6209435762.

The spelling of 285697612 in words is "two hundred eighty-five million, six hundred ninety-seven thousand, six hundred twelve".