334894405 has 4 divisors (see below), whose sum is σ = 401873292. Its totient is φ = 267915520.

The previous prime is 334894403. The next prime is 334894429. The reversal of 334894405 is 504498433.

It is a happy number.

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 245799684 + 89094721 = 15678^2 + 9439^2 .

It is not a de Polignac number, because 334894405 - 2¹ = 334894403 is a prime.

It is a super-2 number, since 2×334894405² = 224308525000608050, 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 (334894403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33489436 + ... + 33489445.

It is an arithmetic number, because the mean of its divisors is an integer number (100468323).

Almost surely, 2^334894405 is an apocalyptic number.

It is an amenable number.

334894405 is a deficient number, since it is larger than the sum of its proper divisors (66978887).

334894405 is an equidigital number, since it uses as much as digits as its factorization.

334894405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66978886.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 334894405 is about 18300.1203547955. The cubic root of 334894405 is about 694.4419756902.

It can be divided in two parts, 3 and 34894405, that multiplied together give a triangular number (104683215 = T₁₄₄₆₉).

The spelling of 334894405 in words is "three hundred thirty-four million, eight hundred ninety-four thousand, four hundred five".