334671389 has 4 divisors (see below), whose sum is σ = 360415356. Its totient is φ = 308927424.

The previous prime is 334671373. The next prime is 334671391. The reversal of 334671389 is 983176433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 223263364 + 111408025 = 14942^2 + 10555^2 .

It is not a de Polignac number, because 334671389 - 2⁴ = 334671373 is a prime.

It is a super-2 number, since 2×334671389² = 224009877230378642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334676389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12871964 + ... + 12871989.

It is an arithmetic number, because the mean of its divisors is an integer number (90103839).

Almost surely, 2^334671389 is an apocalyptic number.

It is an amenable number.

334671389 is a deficient number, since it is larger than the sum of its proper divisors (25743967).

334671389 is a wasteful number, since it uses less digits than its factorization.

334671389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25743966.

The product of its digits is 326592, while the sum is 44.

The square root of 334671389 is about 18294.0260467728. The cubic root of 334671389 is about 694.2877917047.

The spelling of 334671389 in words is "three hundred thirty-four million, six hundred seventy-one thousand, three hundred eighty-nine".