3544985 has 4 divisors (see below), whose sum is σ = 4253988. Its totient is φ = 2835984.

The previous prime is 3544973. The next prime is 3544987. The reversal of 3544985 is 5894453.

It is a happy number.

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 541696 + 3003289 = 736^2 + 1733^2 .

It is a cyclic number.

It is not a de Polignac number, because 3544985 - 2⁴ = 3544969 is a prime.

It is a super-3 number, since 3×3544985³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3544987) 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, 354494 + ... + 354503.

It is an arithmetic number, because the mean of its divisors is an integer number (1063497).

Almost surely, 2^3544985 is an apocalyptic number.

It is an amenable number.

3544985 is a deficient number, since it is larger than the sum of its proper divisors (709003).

3544985 is an equidigital number, since it uses as much as digits as its factorization.

3544985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709002.

The product of its digits is 86400, while the sum is 38.

The square root of 3544985 is about 1882.8130549792. The cubic root of 3544985 is about 152.4771622166.

The spelling of 3544985 in words is "three million, five hundred forty-four thousand, nine hundred eighty-five".