334211389 has 2 divisors, whose sum is σ = 334211390. Its totient is φ = 334211388.

The previous prime is 334211333. The next prime is 334211393. The reversal of 334211389 is 983112433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320947225 + 13264164 = 17915^2 + 3642^2 .

It is an emirp because it is prime and its reverse (983112433) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 334211389 - 2²⁵ = 300656957 is a prime.

It is a super-2 number, since 2×334211389² = 223394505074618642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (334211489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167105694 + 167105695.

It is an arithmetic number, because the mean of its divisors is an integer number (167105695).

Almost surely, 2^334211389 is an apocalyptic number.

It is an amenable number.

334211389 is a deficient number, since it is larger than the sum of its proper divisors (1).

334211389 is an equidigital number, since it uses as much as digits as its factorization.

334211389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 334211389 is about 18281.4493134434. The cubic root of 334211389 is about 693.9695503587.

The spelling of 334211389 in words is "three hundred thirty-four million, two hundred eleven thousand, three hundred eighty-nine".