967642281 has 12 divisors (see below), whose sum is σ = 1449472752. Its totient is φ = 645094692.

The previous prime is 967642267. The next prime is 967642307. The reversal of 967642281 is 182246769.

It is a happy number.

967642281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 967642281 - 2¹³ = 967634089 is a prime.

It is a super-2 number, since 2×967642281² = 1872663167957765922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (967642211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1990791 + ... + 1991276.

It is an arithmetic number, because the mean of its divisors is an integer number (120789396).

Almost surely, 2^967642281 is an apocalyptic number.

It is an amenable number.

967642281 is a deficient number, since it is larger than the sum of its proper divisors (481830471).

967642281 is an equidigital number, since it uses as much as digits as its factorization.

967642281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982082 (or 3982070 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 967642281 is about 31106.9490789438. The cubic root of 967642281 is about 989.0956203684.

The spelling of 967642281 in words is "nine hundred sixty-seven million, six hundred forty-two thousand, two hundred eighty-one".