3694009 has 6 divisors (see below), whose sum is σ = 4060490. Its totient is φ = 3358080.

The previous prime is 3693997. The next prime is 3694013. The reversal of 3694009 is 9004963.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 1742400 = 1397^2 + 1320^2 .

It is not a de Polignac number, because 3694009 - 2⁷ = 3693881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3694039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15144 + ... + 15385.

Almost surely, 2^3694009 is an apocalyptic number.

It is an amenable number.

3694009 is a deficient number, since it is larger than the sum of its proper divisors (366481).

3694009 is a wasteful number, since it uses less digits than its factorization.

3694009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551 (or 30540 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 3694009 is about 1921.9804889748. The cubic root of 3694009 is about 154.5845133426.

The spelling of 3694009 in words is "three million, six hundred ninety-four thousand, nine".