354905 has 4 divisors (see below), whose sum is σ = 425892. Its totient is φ = 283920.

The previous prime is 354883. The next prime is 354911. The reversal of 354905 is 509453.

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 267289 + 87616 = 517^2 + 296^2 .

It is not a de Polignac number, because 354905 - 2¹² = 350809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35486 + ... + 35495.

It is an arithmetic number, because the mean of its divisors is an integer number (106473).

2³⁵⁴⁹⁰⁵ is an apocalyptic number.

It is an amenable number.

354905 is a deficient number, since it is larger than the sum of its proper divisors (70987).

354905 is an equidigital number, since it uses as much as digits as its factorization.

354905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70986.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 354905 is about 595.7390368274. The cubic root of 354905 is about 70.8006708311.

The spelling of 354905 in words is "three hundred fifty-four thousand, nine hundred five".