334214989 has 2 divisors, whose sum is σ = 334214990. Its totient is φ = 334214988.

The previous prime is 334214987. The next prime is 334215029. The reversal of 334214989 is 989412433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 320768100 + 13446889 = 17910^2 + 3667^2 .

It is an emirp because it is prime and its reverse (989412433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334214989 - 2¹ = 334214987 is a prime.

It is a super-2 number, since 2×334214989² = 223399317744540242, which contains 22 as substring.

Together with 334214987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334214981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167107494 + 167107495.

It is an arithmetic number, because the mean of its divisors is an integer number (167107495).

Almost surely, 2^334214989 is an apocalyptic number.

It is an amenable number.

334214989 is a deficient number, since it is larger than the sum of its proper divisors (1).

334214989 is an equidigital number, since it uses as much as digits as its factorization.

334214989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 334214989 is about 18281.5477736432. The cubic root of 334214989 is about 693.9720420765.

The spelling of 334214989 in words is "three hundred thirty-four million, two hundred fourteen thousand, nine hundred eighty-nine".