867621332 has 12 divisors (see below), whose sum is σ = 1518631380. Its totient is φ = 433726656.

The previous prime is 867621311. The next prime is 867621343. The reversal of 867621332 is 233126768.

It can be written as a sum of positive squares in 2 ways, for example, as 828633796 + 38987536 = 28786^2 + 6244^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6128 + ... + 42104.

It is an arithmetic number, because the mean of its divisors is an integer number (126552615).

Almost surely, 2^867621332 is an apocalyptic number.

It is an amenable number.

867621332 is a deficient number, since it is larger than the sum of its proper divisors (651010048).

867621332 is a wasteful number, since it uses less digits than its factorization.

867621332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42010 (or 42008 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 867621332 is about 29455.4126095697. The cubic root of 867621332 is about 953.7694491275.

The spelling of 867621332 in words is "eight hundred sixty-seven million, six hundred twenty-one thousand, three hundred thirty-two".