3609156 has 24 divisors (see below), whose sum is σ = 8548960. Its totient is φ = 1185096.

The previous prime is 3609103. The next prime is 3609161. The reversal of 3609156 is 6519063.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53835 + ... + 53901.

Almost surely, 2^3609156 is an apocalyptic number.

It is an amenable number.

3609156 is an abundant number, since it is smaller than the sum of its proper divisors (4939804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3609156 is an frugal number, since it uses more digits than its factorization.

3609156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3609156 is about 1899.7778817535. Note that the first 3 decimals coincide. The cubic root of 3609156 is about 153.3917085021.

Adding to 3609156 its product of nonzero digits (4860), we get a triangular number (3614016 = T₂₆₈₈).

The spelling of 3609156 in words is "three million, six hundred nine thousand, one hundred fifty-six".