230289784 has 32 divisors (see below), whose sum is σ = 443575440. Its totient is φ = 112019200.

The previous prime is 230289757. The next prime is 230289799. The reversal of 230289784 is 487982032.

It is a happy number.

It is a super-2 number, since 2×230289784² = 106066769229533312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 230289784.

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, 150447 + ... + 151969.

Almost surely, 2^230289784 is an apocalyptic number.

It is an amenable number.

230289784 is a deficient number, since it is larger than the sum of its proper divisors (213285656).

230289784 is a wasteful number, since it uses less digits than its factorization.

230289784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2031 (or 2027 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 230289784 is about 15175.3017762416. The cubic root of 230289784 is about 612.9497762024.

The spelling of 230289784 in words is "two hundred thirty million, two hundred eighty-nine thousand, seven hundred eighty-four".