3452785 has 24 divisors (see below), whose sum is σ = 5109480. Its totient is φ = 2225664.

The previous prime is 3452773. The next prime is 3452789. The reversal of 3452785 is 5872543.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 815409 + 2637376 = 903^2 + 1624^2 .

It is not a de Polignac number, because 3452785 - 2⁵ = 3452753 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 3452785.

It is not an unprimeable number, because it can be changed into a prime (3452789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3751 + ... + 4579.

It is an arithmetic number, because the mean of its divisors is an integer number (212895).

Almost surely, 2^3452785 is an apocalyptic number.

3452785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3452785 is a deficient number, since it is larger than the sum of its proper divisors (1656695).

3452785 is a wasteful number, since it uses less digits than its factorization.

3452785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865 (or 858 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 3452785 is about 1858.1671076628. The cubic root of 3452785 is about 151.1436289633.

The spelling of 3452785 in words is "three million, four hundred fifty-two thousand, seven hundred eighty-five".