538015863 has 16 divisors (see below), whose sum is σ = 894364416. Its totient is φ = 279488640.

The previous prime is 538015861. The next prime is 538015889. The reversal of 538015863 is 368510835.

It is not a de Polignac number, because 538015863 - 2¹ = 538015861 is a prime.

It is a super-2 number, since 2×538015863² = 578922137679269538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538015861) 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, 1164306 + ... + 1164767.

It is an arithmetic number, because the mean of its divisors is an integer number (55897776).

Almost surely, 2^538015863 is an apocalyptic number.

538015863 is a deficient number, since it is larger than the sum of its proper divisors (356348553).

538015863 is a wasteful number, since it uses less digits than its factorization.

538015863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2329094.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 538015863 is about 23195.1689582120. The cubic root of 538015863 is about 813.3266949240.

The spelling of 538015863 in words is "five hundred thirty-eight million, fifteen thousand, eight hundred sixty-three".