536221764 has 36 divisors (see below), whose sum is σ = 1459716076. Its totient is φ = 164991168.

The previous prime is 536221757. The next prime is 536221799. The reversal of 536221764 is 467122635.

It can be written as a sum of positive squares in 2 ways, for example, as 177422400 + 358799364 = 13320^2 + 18942^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572419 + ... + 573354.

Almost surely, 2^536221764 is an apocalyptic number.

It is an amenable number.

536221764 is an abundant number, since it is smaller than the sum of its proper divisors (923494312).

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

536221764 is a wasteful number, since it uses less digits than its factorization.

536221764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145796 (or 1145791 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 536221764 is about 23156.4626832338. The cubic root of 536221764 is about 812.4216326467.

The spelling of 536221764 in words is "five hundred thirty-six million, two hundred twenty-one thousand, seven hundred sixty-four".