3609667 has 4 divisors (see below), whose sum is σ = 3613896. Its totient is φ = 3605440.

The previous prime is 3609649. The next prime is 3609673. The reversal of 3609667 is 7669063.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3609667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3609637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (903474).

Almost surely, 2^3609667 is an apocalyptic number.

3609667 is a deficient number, since it is larger than the sum of its proper divisors (4229).

3609667 is a wasteful number, since it uses less digits than its factorization.

3609667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 3609667 is about 1899.9123664001. The cubic root of 3609667 is about 153.3989474489.

It can be divided in two parts, 36096 and 67, that added together give a palindrome (36163).

The spelling of 3609667 in words is "three million, six hundred nine thousand, six hundred sixty-seven".