334805394 has 128 divisors (see below), whose sum is σ = 874266624. Its totient is φ = 82944000.

The previous prime is 334805369. The next prime is 334805407. The reversal of 334805394 is 493508433.

It is a super-2 number, since 2×334805394² = 224189303702990472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1389114 + ... + 1389354.

It is an arithmetic number, because the mean of its divisors is an integer number (6830208).

Almost surely, 2^334805394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 334805394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437133312).

334805394 is an abundant number, since it is smaller than the sum of its proper divisors (539461230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

334805394 is a wasteful number, since it uses less digits than its factorization.

334805394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 334805394 is about 18297.6882146352. The cubic root of 334805394 is about 694.3804453979.

The spelling of 334805394 in words is "three hundred thirty-four million, eight hundred five thousand, three hundred ninety-four".