285003830 has 16 divisors (see below), whose sum is σ = 513203904. Its totient is φ = 113957760.

The previous prime is 285003811. The next prime is 285003841. The reversal of 285003830 is 38300582.

It is a super-2 number, since 2×285003830² = 162454366229337800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285003793 and 285003802.

It is a congruent number.

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, 39374 + ... + 46046.

It is an arithmetic number, because the mean of its divisors is an integer number (32075244).

Almost surely, 2^285003830 is an apocalyptic number.

285003830 is a deficient number, since it is larger than the sum of its proper divisors (228200074).

285003830 is a wasteful number, since it uses less digits than its factorization.

285003830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10951.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 285003830 is about 16882.0564505631. The cubic root of 285003830 is about 658.0873844213.

The spelling of 285003830 in words is "two hundred eighty-five million, three thousand, eight hundred thirty".