3609873 has 16 divisors (see below), whose sum is σ = 5581440. Its totient is φ = 2301552.

The previous prime is 3609871. The next prime is 3609877. The reversal of 3609873 is 3789063.

It is not a de Polignac number, because 3609873 - 2¹ = 3609871 is a prime.

It is a super-2 number, since 2×3609873² = 26062366152258, which contains 22 as substring.

3609873 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3609871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2286 + ... + 3527.

It is an arithmetic number, because the mean of its divisors is an integer number (348840).

Almost surely, 2^3609873 is an apocalyptic number.

It is an amenable number.

3609873 is a deficient number, since it is larger than the sum of its proper divisors (1971567).

3609873 is a wasteful number, since it uses less digits than its factorization.

3609873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5845 (or 5839 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3609873 is about 1899.9665786534. The cubic root of 3609873 is about 153.4018655003.

The spelling of 3609873 in words is "three million, six hundred nine thousand, eight hundred seventy-three".