3552785 has 4 divisors (see below), whose sum is σ = 4263348. Its totient is φ = 2842224.

The previous prime is 3552781. The next prime is 3552793. The reversal of 3552785 is 5872553.

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 1985281 + 1567504 = 1409^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 3552785 - 2² = 3552781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3552781) 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, 355274 + ... + 355283.

It is an arithmetic number, because the mean of its divisors is an integer number (1065837).

Almost surely, 2^3552785 is an apocalyptic number.

It is an amenable number.

3552785 is a deficient number, since it is larger than the sum of its proper divisors (710563).

3552785 is an equidigital number, since it uses as much as digits as its factorization.

3552785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710562.

The product of its digits is 42000, while the sum is 35.

The square root of 3552785 is about 1884.8832855113. The cubic root of 3552785 is about 152.5889116922.

The spelling of 3552785 in words is "three million, five hundred fifty-two thousand, seven hundred eighty-five".