286436930 has 16 divisors (see below), whose sum is σ = 555247224. Its totient is φ = 105761280.

The previous prime is 286436929. The next prime is 286436939. The reversal of 286436930 is 39634682.

It can be written as a sum of positive squares in 4 ways, for example, as 255712081 + 30724849 = 15991^2 + 5543^2 .

It is a super-2 number, since 2×286436930² = 164092229735649800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (286436939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1101551 + ... + 1101810.

Almost surely, 2^286436930 is an apocalyptic number.

286436930 is a deficient number, since it is larger than the sum of its proper divisors (268810294).

286436930 is a wasteful number, since it uses less digits than its factorization.

286436930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203381.

The product of its (nonzero) digits is 186624, while the sum is 41.

The square root of 286436930 is about 16924.4477014761. The cubic root of 286436930 is about 659.1885727534.

The spelling of 286436930 in words is "two hundred eighty-six million, four hundred thirty-six thousand, nine hundred thirty".