326341987 has 2 divisors, whose sum is σ = 326341988. Its totient is φ = 326341986.

The previous prime is 326341957. The next prime is 326341997. The reversal of 326341987 is 789143623.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 326341987 - 2¹⁵ = 326309219 is a prime.

It is not a weakly prime, because it can be changed into another prime (326341937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163170993 + 163170994.

It is an arithmetic number, because the mean of its divisors is an integer number (163170994).

Almost surely, 2^326341987 is an apocalyptic number.

326341987 is a deficient number, since it is larger than the sum of its proper divisors (1).

326341987 is an equidigital number, since it uses as much as digits as its factorization.

326341987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 326341987 is about 18064.9380569101. The cubic root of 326341987 is about 688.4794542833.

The spelling of 326341987 in words is "three hundred twenty-six million, three hundred forty-one thousand, nine hundred eighty-seven".