285346394 has 16 divisors (see below), whose sum is σ = 456772608. Its totient is φ = 133221312.

The previous prime is 285346381. The next prime is 285346421. The reversal of 285346394 is 493643582.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28724 + ... + 37359.

It is an arithmetic number, because the mean of its divisors is an integer number (28548288).

Almost surely, 2^285346394 is an apocalyptic number.

285346394 is a deficient number, since it is larger than the sum of its proper divisors (171426214).

285346394 is a wasteful number, since it uses less digits than its factorization.

285346394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66229.

The product of its digits is 622080, while the sum is 44.

The square root of 285346394 is about 16892.1992055505. The cubic root of 285346394 is about 658.3509443703.

The spelling of 285346394 in words is "two hundred eighty-five million, three hundred forty-six thousand, three hundred ninety-four".