32989091 has 2 divisors, whose sum is σ = 32989092. Its totient is φ = 32989090.

The previous prime is 32989087. The next prime is 32989109. The reversal of 32989091 is 19098923.

Together with next prime (32989109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32989091 - 2² = 32989087 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32989001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16494545 + 16494546.

It is an arithmetic number, because the mean of its divisors is an integer number (16494546).

Almost surely, 2^32989091 is an apocalyptic number.

32989091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32989091 is an equidigital number, since it uses as much as digits as its factorization.

32989091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 32989091 is about 5743.6130614797. The cubic root of 32989091 is about 320.7180846678.

The spelling of 32989091 in words is "thirty-two million, nine hundred eighty-nine thousand, ninety-one".