3652009 has 16 divisors (see below), whose sum is σ = 4106880. Its totient is φ = 3231360.

The previous prime is 3652007. The next prime is 3652031. The reversal of 3652009 is 9002563.

It is a cyclic number.

It is not a de Polignac number, because 3652009 - 2¹ = 3652007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3652007) 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, 26589 + ... + 26725.

It is an arithmetic number, because the mean of its divisors is an integer number (256680).

Almost surely, 2^3652009 is an apocalyptic number.

It is an amenable number.

3652009 is a deficient number, since it is larger than the sum of its proper divisors (454871).

3652009 is a wasteful number, since it uses less digits than its factorization.

3652009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 3652009 is about 1911.0230244557. The cubic root of 3652009 is about 153.9964158383.

The spelling of 3652009 in words is "three million, six hundred fifty-two thousand, nine".