536217891 has 8 divisors (see below), whose sum is σ = 779953344. Its totient is φ = 324980520.

The previous prime is 536217853. The next prime is 536217911. The reversal of 536217891 is 198712635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 536217891 - 2⁷ = 536217763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (536217821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8124481 + ... + 8124546.

It is an arithmetic number, because the mean of its divisors is an integer number (97494168).

Almost surely, 2^536217891 is an apocalyptic number.

536217891 is a deficient number, since it is larger than the sum of its proper divisors (243735453).

536217891 is a wasteful number, since it uses less digits than its factorization.

536217891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16249041.

The product of its digits is 90720, while the sum is 42.

The square root of 536217891 is about 23156.3790563205. The cubic root of 536217891 is about 812.4196766670.

The spelling of 536217891 in words is "five hundred thirty-six million, two hundred seventeen thousand, eight hundred ninety-one".