286550406 has 32 divisors (see below), whose sum is σ = 639110880. Its totient is φ = 95167008.

The previous prime is 286550401. The next prime is 286550417. The reversal of 286550406 is 604055682.

It is a super-2 number, since 2×286550406² = 164222270357529672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (286550401) 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 15 ways as a sum of consecutive naturals, for example, 5380 + ... + 24536.

It is an arithmetic number, because the mean of its divisors is an integer number (19972215).

Almost surely, 2^286550406 is an apocalyptic number.

286550406 is an abundant number, since it is smaller than the sum of its proper divisors (352560474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

286550406 is a wasteful number, since it uses less digits than its factorization.

286550406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19445 (or 19439 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 286550406 is about 16927.7997979655. The cubic root of 286550406 is about 659.2756101880.

The spelling of 286550406 in words is "two hundred eighty-six million, five hundred fifty thousand, four hundred six".