285734774 has 16 divisors (see below), whose sum is σ = 462476112. Its totient is φ = 131619168.

The previous prime is 285734717. The next prime is 285734783. The reversal of 285734774 is 477437582.

It is a super-2 number, since 2×285734774² = 163288722145662152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3092 + ... + 24104.

It is an arithmetic number, because the mean of its divisors is an integer number (28904757).

Almost surely, 2^285734774 is an apocalyptic number.

285734774 is a deficient number, since it is larger than the sum of its proper divisors (176741338).

285734774 is a wasteful number, since it uses less digits than its factorization.

285734774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21551.

The product of its digits is 1317120, while the sum is 47.

The square root of 285734774 is about 16903.6911353704. The cubic root of 285734774 is about 658.6494989547.

The spelling of 285734774 in words is "two hundred eighty-five million, seven hundred thirty-four thousand, seven hundred seventy-four".