3693869 has 4 divisors (see below), whose sum is σ = 3854496. Its totient is φ = 3533244.

The previous prime is 3693863. The next prime is 3693881. The reversal of 3693869 is 9683963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3693869 - 2⁴ = 3693853 is a prime.

It is a super-2 number, since 2×3693869² = 27289336378322, 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 (3693863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80279 + ... + 80324.

It is an arithmetic number, because the mean of its divisors is an integer number (963624).

Almost surely, 2^3693869 is an apocalyptic number.

It is an amenable number.

3693869 is a deficient number, since it is larger than the sum of its proper divisors (160627).

3693869 is a wasteful number, since it uses less digits than its factorization.

3693869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160626.

The product of its digits is 209952, while the sum is 44.

The square root of 3693869 is about 1921.9440678646. The cubic root of 3693869 is about 154.5825604412.

The spelling of 3693869 in words is "three million, six hundred ninety-three thousand, eight hundred sixty-nine".