3604869 has 12 divisors (see below), whose sum is σ = 5229900. Its totient is φ = 2392704.

The previous prime is 3604829. The next prime is 3604871. The reversal of 3604869 is 9684063.

It can be written as a sum of positive squares in 2 ways, for example, as 471969 + 3132900 = 687^2 + 1770^2 .

It is not a de Polignac number, because 3604869 - 2¹¹ = 3602821 is a prime.

It is a super-2 number, since 2×3604869² = 25990161014322, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3604829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1677 + ... + 3165.

It is an arithmetic number, because the mean of its divisors is an integer number (435825).

Almost surely, 2^3604869 is an apocalyptic number.

It is an amenable number.

3604869 is a deficient number, since it is larger than the sum of its proper divisors (1625031).

3604869 is a wasteful number, since it uses less digits than its factorization.

3604869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1761 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 3604869 is about 1898.6492567086. The cubic root of 3604869 is about 153.3309509187.

The spelling of 3604869 in words is "three million, six hundred four thousand, eight hundred sixty-nine".