34201987 has 2 divisors, whose sum is σ = 34201988. Its totient is φ = 34201986.

The previous prime is 34201969. The next prime is 34202009. The reversal of 34201987 is 78910243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 34201987 - 2²³ = 25813379 is a prime.

It is not a weakly prime, because it can be changed into another prime (34201967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17100993 + 17100994.

It is an arithmetic number, because the mean of its divisors is an integer number (17100994).

Almost surely, 2^34201987 is an apocalyptic number.

34201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

34201987 is an equidigital number, since it uses as much as digits as its factorization.

34201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34201987 is about 5848.2464893334. The cubic root of 34201987 is about 324.6014427981.

The spelling of 34201987 in words is "thirty-four million, two hundred one thousand, nine hundred eighty-seven".