3697109 has 8 divisors (see below), whose sum is σ = 4215960. Its totient is φ = 3211776.

The previous prime is 3697103. The next prime is 3697139. The reversal of 3697109 is 9017963.

It can be written as a sum of positive squares in 4 ways, for example, as 624100 + 3073009 = 790^2 + 1753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3697109 - 2⁸ = 3696853 is a prime.

It is a super-2 number, since 2×3697109² = 27337229915762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3697103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8144 + ... + 8585.

It is an arithmetic number, because the mean of its divisors is an integer number (526995).

Almost surely, 2^3697109 is an apocalyptic number.

It is an amenable number.

3697109 is a deficient number, since it is larger than the sum of its proper divisors (518851).

3697109 is a wasteful number, since it uses less digits than its factorization.

3697109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16759.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 3697109 is about 1922.7867796508. The cubic root of 3697109 is about 154.6277435208.

The spelling of 3697109 in words is "three million, six hundred ninety-seven thousand, one hundred nine".