34271987 has 2 divisors, whose sum is σ = 34271988. Its totient is φ = 34271986.

The previous prime is 34271981. The next prime is 34271999. The reversal of 34271987 is 78917243.

It is a weak prime.

It is an emirp because it is prime and its reverse (78917243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34271987 - 2¹⁴ = 34255603 is a prime.

It is not a weakly prime, because it can be changed into another prime (34271981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17135993 + 17135994.

It is an arithmetic number, because the mean of its divisors is an integer number (17135994).

Almost surely, 2^34271987 is an apocalyptic number.

34271987 is a deficient number, since it is larger than the sum of its proper divisors (1).

34271987 is an equidigital number, since it uses as much as digits as its factorization.

34271987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 41.

The square root of 34271987 is about 5854.2281301637. The cubic root of 34271987 is about 324.8227419982.

The spelling of 34271987 in words is "thirty-four million, two hundred seventy-one thousand, nine hundred eighty-seven".