3697669 has 8 divisors (see below), whose sum is σ = 3852440. Its totient is φ = 3548448.

The previous prime is 3697657. The next prime is 3697691. The reversal of 3697669 is 9667963.

It can be written as a sum of positive squares in 4 ways, for example, as 1595169 + 2102500 = 1263^2 + 1450^2 .

It is not a de Polignac number, because 3697669 - 2¹⁵ = 3664901 is a prime.

It is a super-2 number, since 2×3697669² = 27345512067122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3695669) 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, 50617 + ... + 50689.

It is an arithmetic number, because the mean of its divisors is an integer number (481555).

Almost surely, 2^3697669 is an apocalyptic number.

It is an amenable number.

3697669 is a deficient number, since it is larger than the sum of its proper divisors (154771).

3697669 is an frugal number, since it uses more digits than its factorization.

3697669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 110 counting only the distinct ones).

The product of its digits is 367416, while the sum is 46.

The square root of 3697669 is about 1922.9323961076. The cubic root of 3697669 is about 154.6355502661.

The spelling of 3697669 in words is "three million, six hundred ninety-seven thousand, six hundred sixty-nine".