3696309 has 6 divisors (see below), whose sum is σ = 5339126. Its totient is φ = 2464200.

The previous prime is 3696283. The next prime is 3696313. The reversal of 3696309 is 9036963.

It can be written as a sum of positive squares in only one way, i.e., 2965284 + 731025 = 1722^2 + 855^2 .

It is not a de Polignac number, because 3696309 - 2⁷ = 3696181 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3696349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205342 + ... + 205359.

Almost surely, 2^3696309 is an apocalyptic number.

It is an amenable number.

3696309 is a deficient number, since it is larger than the sum of its proper divisors (1642817).

3696309 is a wasteful number, since it uses less digits than its factorization.

3696309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410707 (or 410704 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3696309 is about 1922.5787370092. The cubic root of 3696309 is about 154.6165896599.

It can be divided in two parts, 3696 and 309, that added together give a triangular number (4005 = T₈₉).

The spelling of 3696309 in words is "three million, six hundred ninety-six thousand, three hundred nine".