968352891 has 32 divisors (see below), whose sum is σ = 1488153600. Its totient is φ = 554561280.

The previous prime is 968352851. The next prime is 968352919. The reversal of 968352891 is 198253869.

968352891 = 3163² + 3164² + ... + 3256².

It is a happy number.

It is not a de Polignac number, because 968352891 - 2¹¹ = 968350843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (968352821) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34215 + ... + 55743.

It is an arithmetic number, because the mean of its divisors is an integer number (46504800).

Almost surely, 2^968352891 is an apocalyptic number.

968352891 is a deficient number, since it is larger than the sum of its proper divisors (519800709).

968352891 is a wasteful number, since it uses less digits than its factorization.

968352891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21619.

The product of its digits is 933120, while the sum is 51.

The square root of 968352891 is about 31118.3690285979. The cubic root of 968352891 is about 989.3376827051.

The spelling of 968352891 in words is "nine hundred sixty-eight million, three hundred fifty-two thousand, eight hundred ninety-one".