3453785 has 4 divisors (see below), whose sum is σ = 4144548. Its totient is φ = 2763024.

The previous prime is 3453773. The next prime is 3453787. The reversal of 3453785 is 5873543.

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 2715904 + 737881 = 1648^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 3453785 - 2⁶ = 3453721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3453787) 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, 345374 + ... + 345383.

It is an arithmetic number, because the mean of its divisors is an integer number (1036137).

Almost surely, 2^3453785 is an apocalyptic number.

It is an amenable number.

3453785 is a deficient number, since it is larger than the sum of its proper divisors (690763).

3453785 is an equidigital number, since it uses as much as digits as its factorization.

3453785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690762.

The product of its digits is 50400, while the sum is 35.

The square root of 3453785 is about 1858.4361705477. The cubic root of 3453785 is about 151.1582190251.

The spelling of 3453785 in words is "three million, four hundred fifty-three thousand, seven hundred eighty-five".