3719669 has 2 divisors, whose sum is σ = 3719670. Its totient is φ = 3719668.

The previous prime is 3719663. The next prime is 3719693. The reversal of 3719669 is 9669173.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1932100 + 1787569 = 1390^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3719669 - 2²⁰ = 2671093 is a prime.

It is a super-2 number, since 2×3719669² = 27671874939122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3719663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1859834 + 1859835.

It is an arithmetic number, because the mean of its divisors is an integer number (1859835).

Almost surely, 2^3719669 is an apocalyptic number.

It is an amenable number.

3719669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3719669 is an equidigital number, since it uses as much as digits as its factorization.

3719669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 3719669 is about 1928.6443425370. The cubic root of 3719669 is about 154.9416221365.

Subtracting from 3719669 its sum of digits (41), we obtain a triangular number (3719628 = T₂₇₂₇).

The spelling of 3719669 in words is "three million, seven hundred nineteen thousand, six hundred sixty-nine".