536646458 has 16 divisors (see below), whose sum is σ = 832182120. Its totient is φ = 259372800.

The previous prime is 536646457. The next prime is 536646491. The reversal of 536646458 is 854646635.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 516062089 + 20584369 = 22717^2 + 4537^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (536646457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21083 + ... + 38958.

Almost surely, 2^536646458 is an apocalyptic number.

536646458 is a deficient number, since it is larger than the sum of its proper divisors (295535662).

536646458 is a wasteful number, since it uses less digits than its factorization.

536646458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60193.

The product of its digits is 2073600, while the sum is 47.

The square root of 536646458 is about 23165.6309648583. The cubic root of 536646458 is about 812.6360585718.

The spelling of 536646458 in words is "five hundred thirty-six million, six hundred forty-six thousand, four hundred fifty-eight".