285066838 has 8 divisors (see below), whose sum is σ = 488686032. Its totient is φ = 122171496.

The previous prime is 285066811. The next prime is 285066841. The reversal of 285066838 is 838660582.

It is a happy number.

285066838 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 10180945 + ... + 10180972.

It is an arithmetic number, because the mean of its divisors is an integer number (61085754).

Almost surely, 2^285066838 is an apocalyptic number.

285066838 is a deficient number, since it is larger than the sum of its proper divisors (203619194).

285066838 is a wasteful number, since it uses less digits than its factorization.

285066838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20361926.

The product of its (nonzero) digits is 552960, while the sum is 46.

The square root of 285066838 is about 16883.9224708004. The cubic root of 285066838 is about 658.1358770032.

It can be divided in two parts, 28506 and 6838, that added together give a square (35344 = 188²).

The spelling of 285066838 in words is "two hundred eighty-five million, sixty-six thousand, eight hundred thirty-eight".