334212409 has 2 divisors, whose sum is σ = 334212410. Its totient is φ = 334212408.

The previous prime is 334212391. The next prime is 334212427. The reversal of 334212409 is 904212433.

It is a balanced prime because it is at equal distance from previous prime (334212391) and next prime (334212427).

It can be written as a sum of positive squares in only one way, i.e., 333172009 + 1040400 = 18253^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 334212409 - 2¹³ = 334204217 is a prime.

It is a super-2 number, since 2×334212409² = 223395868659166562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (334212479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167106204 + 167106205.

It is an arithmetic number, because the mean of its divisors is an integer number (167106205).

Almost surely, 2^334212409 is an apocalyptic number.

It is an amenable number.

334212409 is a deficient number, since it is larger than the sum of its proper divisors (1).

334212409 is an equidigital number, since it uses as much as digits as its factorization.

334212409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 334212409 is about 18281.4772105539. The cubic root of 334212409 is about 693.9702563472.

It can be divided in two parts, 3342 and 12409, that added together give a palindrome (15751).

The spelling of 334212409 in words is "three hundred thirty-four million, two hundred twelve thousand, four hundred nine".