538535766 has 32 divisors (see below), whose sum is σ = 1092463200. Its totient is φ = 176965376.

The previous prime is 538535761. The next prime is 538535797. The reversal of 538535766 is 667535835.

It is a super-2 number, since 2×538535766² = 580041542522413512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538535761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120280 + ... + 124676.

It is an arithmetic number, because the mean of its divisors is an integer number (34139475).

Almost surely, 2^538535766 is an apocalyptic number.

538535766 is an abundant number, since it is smaller than the sum of its proper divisors (553927434).

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

538535766 is a wasteful number, since it uses less digits than its factorization.

538535766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688.

The product of its digits is 2268000, while the sum is 48.

The square root of 538535766 is about 23206.3733918077. The cubic root of 538535766 is about 813.5885923176.

The spelling of 538535766 in words is "five hundred thirty-eight million, five hundred thirty-five thousand, seven hundred sixty-six".