285346438 has 8 divisors (see below), whose sum is σ = 460944288. Its totient is φ = 131698344.

The previous prime is 285346421. The next prime is 285346459. The reversal of 285346438 is 834643582.

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 = 285346394 and 285346403.

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, 5487406 + ... + 5487457.

It is an arithmetic number, because the mean of its divisors is an integer number (57618036).

Almost surely, 2^285346438 is an apocalyptic number.

285346438 is a deficient number, since it is larger than the sum of its proper divisors (175597850).

285346438 is a wasteful number, since it uses less digits than its factorization.

285346438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10974878.

The product of its digits is 552960, while the sum is 43.

The square root of 285346438 is about 16892.2005079267. The cubic root of 285346438 is about 658.3509782093.

The spelling of 285346438 in words is "two hundred eighty-five million, three hundred forty-six thousand, four hundred thirty-eight".