967671621 has 24 divisors (see below), whose sum is σ = 1598972544. Its totient is φ = 552420000.

The previous prime is 967671587. The next prime is 967671631. The reversal of 967671621 is 126176769.

It is a happy number.

It is not a de Polignac number, because 967671621 - 2¹⁹ = 967147333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (967671631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63496 + ... + 77246.

It is an arithmetic number, because the mean of its divisors is an integer number (66623856).

Almost surely, 2^967671621 is an apocalyptic number.

It is an amenable number.

967671621 is a deficient number, since it is larger than the sum of its proper divisors (631300923).

967671621 is a wasteful number, since it uses less digits than its factorization.

967671621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14881 (or 14878 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 967671621 is about 31107.4206741735. The cubic root of 967671621 is about 989.1056170971.

The spelling of 967671621 in words is "nine hundred sixty-seven million, six hundred seventy-one thousand, six hundred twenty-one".