3609672 has 64 divisors (see below), whose sum is σ = 10013760. Its totient is φ = 1084160.

The previous prime is 3609649. The next prime is 3609673. The reversal of 3609672 is 2769063.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (3609673) 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, 31888 + ... + 32000.

It is an arithmetic number, because the mean of its divisors is an integer number (156465).

Almost surely, 2^3609672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3609672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5006880).

3609672 is an abundant number, since it is smaller than the sum of its proper divisors (6404088).

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

3609672 is a wasteful number, since it uses less digits than its factorization.

3609672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 3609672 is about 1899.9136822498. The cubic root of 3609672 is about 153.3990182767.

The spelling of 3609672 in words is "three million, six hundred nine thousand, six hundred seventy-two".