286023946 has 16 divisors (see below), whose sum is σ = 489218184. Its totient is φ = 124245504.

The previous prime is 286023943. The next prime is 286023953. The reversal of 286023946 is 649320682.

It can be written as a sum of positive squares in 4 ways, for example, as 282744225 + 3279721 = 16815^2 + 1811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 286023899 and 286023908.

It is not an unprimeable number, because it can be changed into a prime (286023943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323115 + ... + 323998.

Almost surely, 2^286023946 is an apocalyptic number.

286023946 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

286023946 is a deficient number, since it is larger than the sum of its proper divisors (203194238).

286023946 is a wasteful number, since it uses less digits than its factorization.

286023946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647145.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 286023946 is about 16912.2424888008. The cubic root of 286023946 is about 658.8716149342.

The spelling of 286023946 in words is "two hundred eighty-six million, twenty-three thousand, nine hundred forty-six".