354785 has 4 divisors (see below), whose sum is σ = 425748. Its totient is φ = 283824.

The previous prime is 354779. The next prime is 354791. The reversal of 354785 is 587453.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (354779) and next prime (354791).

It can be written as a sum of positive squares in 2 ways, for example, as 96721 + 258064 = 311^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 354785 - 2¹⁶ = 289249 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 354785.

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, 35474 + ... + 35483.

It is an arithmetic number, because the mean of its divisors is an integer number (106437).

2³⁵⁴⁷⁸⁵ is an apocalyptic number.

It is an amenable number.

354785 is a deficient number, since it is larger than the sum of its proper divisors (70963).

354785 is an equidigital number, since it uses as much as digits as its factorization.

354785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70962.

The product of its digits is 16800, while the sum is 32.

The square root of 354785 is about 595.6383130726. The cubic root of 354785 is about 70.7926902558.

The spelling of 354785 in words is "three hundred fifty-four thousand, seven hundred eighty-five".