354685 has 4 divisors (see below), whose sum is σ = 425628. Its totient is φ = 283744.

The previous prime is 354677. The next prime is 354689. The reversal of 354685 is 586453.

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 103684 + 251001 = 322^2 + 501^2 .

It is a cyclic number.

It is not a de Polignac number, because 354685 - 2³ = 354677 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354689) 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, 35464 + ... + 35473.

It is an arithmetic number, because the mean of its divisors is an integer number (106407).

2³⁵⁴⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

354685 is a deficient number, since it is larger than the sum of its proper divisors (70943).

354685 is an equidigital number, since it uses as much as digits as its factorization.

354685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70942.

The product of its digits is 14400, while the sum is 31.

The square root of 354685 is about 595.5543635975. The cubic root of 354685 is about 70.7860384016.

The spelling of 354685 in words is "three hundred fifty-four thousand, six hundred eighty-five".