965489731 has 8 divisors (see below), whose sum is σ = 1029171200. Its totient is φ = 903094920.

The previous prime is 965489719. The next prime is 965489797. The reversal of 965489731 is 137984569.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 965489731 - 2⁹ = 965489219 is a prime.

It is a super-2 number, since 2×965489731² = 1864340841332904722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (965489531) 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 7 ways as a sum of consecutive naturals, for example, 320115 + ... + 323116.

It is an arithmetic number, because the mean of its divisors is an integer number (128646400).

Almost surely, 2^965489731 is an apocalyptic number.

965489731 is a deficient number, since it is larger than the sum of its proper divisors (63681469).

965489731 is a wasteful number, since it uses less digits than its factorization.

965489731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643329.

The product of its digits is 1632960, while the sum is 52.

The square root of 965489731 is about 31072.3306335395. The cubic root of 965489731 is about 988.3616513158.

The spelling of 965489731 in words is "nine hundred sixty-five million, four hundred eighty-nine thousand, seven hundred thirty-one".