3609576 has 64 divisors (see below), whose sum is σ = 10627200. Its totient is φ = 1131264.

The previous prime is 3609533. The next prime is 3609581. The reversal of 3609576 is 6759063.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3609576.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3181 + ... + 4163.

It is an arithmetic number, because the mean of its divisors is an integer number (166050).

Almost surely, 2^3609576 is an apocalyptic number.

3609576 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5313600).

3609576 is an abundant number, since it is smaller than the sum of its proper divisors (7017624).

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

3609576 is a wasteful number, since it uses less digits than its factorization.

3609576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3609576 is about 1899.8884177762. Note that the first 3 decimals coincide. The cubic root of 3609576 is about 153.3976583714.

The spelling of 3609576 in words is "three million, six hundred nine thousand, five hundred seventy-six".