354005 has 8 divisors (see below), whose sum is σ = 429624. Its totient is φ = 280000.

The previous prime is 354001. The next prime is 354007. The reversal of 354005 is 500453.

It can be written as a sum of positive squares in 4 ways, for example, as 188356 + 165649 = 434^2 + 407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 354005 - 2² = 354001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354005.

It is not an unprimeable number, because it can be changed into a prime (354001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (53703).

2³⁵⁴⁰⁰⁵ is an apocalyptic number.

It is an amenable number.

354005 is a deficient number, since it is larger than the sum of its proper divisors (75619).

354005 is a wasteful number, since it uses less digits than its factorization.

354005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 354005 is about 594.9831930399. The cubic root of 354005 is about 70.7407726024.

Adding to 354005 its reverse (500453), we get a palindrome (854458).

The spelling of 354005 in words is "three hundred fifty-four thousand, five".