536989731 has 8 divisors (see below), whose sum is σ = 716806224. Its totient is φ = 357583200.

The previous prime is 536989729. The next prime is 536989753. The reversal of 536989731 is 137989635.

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

It is not a de Polignac number, because 536989731 - 2¹ = 536989729 is a prime.

It is a super-2 number, since 2×536989731² = 576715942398904722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536989631) 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, 99420 + ... + 104681.

It is an arithmetic number, because the mean of its divisors is an integer number (89600778).

Almost surely, 2^536989731 is an apocalyptic number.

536989731 is a deficient number, since it is larger than the sum of its proper divisors (179816493).

536989731 is a wasteful number, since it uses less digits than its factorization.

536989731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204981.

The product of its digits is 1224720, while the sum is 51.

The square root of 536989731 is about 23173.0388814242. The cubic root of 536989731 is about 812.8092927718.

The spelling of 536989731 in words is "five hundred thirty-six million, nine hundred eighty-nine thousand, seven hundred thirty-one".