3803869 has 4 divisors (see below), whose sum is σ = 4027644. Its totient is φ = 3580096.

The previous prime is 3803867. The next prime is 3803879. The reversal of 3803869 is 9683083.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9683083 = 113 ⋅85691.

It can be written as a sum of positive squares in 2 ways, for example, as 3020644 + 783225 = 1738^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 3803869 - 2¹ = 3803867 is a prime.

It is a super-2 number, since 2×3803869² = 28938838738322, which contains 22 as substring.

It is a Duffinian number.

3803869 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3803861) 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, 111862 + ... + 111895.

It is an arithmetic number, because the mean of its divisors is an integer number (1006911).

Almost surely, 2^3803869 is an apocalyptic number.

It is an amenable number.

3803869 is a deficient number, since it is larger than the sum of its proper divisors (223775).

3803869 is a wasteful number, since it uses less digits than its factorization.

3803869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223774.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 3803869 is about 1950.3509940521. The cubic root of 3803869 is about 156.1020179727.

The spelling of 3803869 in words is "three million, eight hundred three thousand, eight hundred sixty-nine".