285697630 has 8 divisors (see below), whose sum is σ = 514255752. Its totient is φ = 114279048.

The previous prime is 285697619. The next prime is 285697649. The reversal of 285697630 is 36796582.

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

It is a congruent number.

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, 14284872 + ... + 14284891.

It is an arithmetic number, because the mean of its divisors is an integer number (64281969).

Almost surely, 2^285697630 is an apocalyptic number.

285697630 is a deficient number, since it is larger than the sum of its proper divisors (228558122).

285697630 is a wasteful number, since it uses less digits than its factorization.

285697630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28569770.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 285697630 is about 16902.5924047171. The cubic root of 285697630 is about 658.6209574080.

The spelling of 285697630 in words is "two hundred eighty-five million, six hundred ninety-seven thousand, six hundred thirty".