3802819 has 4 divisors (see below), whose sum is σ = 3820096. Its totient is φ = 3785544.

The previous prime is 3802787. The next prime is 3802837. The reversal of 3802819 is 9182083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9182083 = 23 ⋅399221.

It is a cyclic number.

It is not a de Polignac number, because 3802819 - 2⁵ = 3802787 is a prime.

It is a super-2 number, since 2×3802819² = 28922864693522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3802319) 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, 8304 + ... + 8749.

It is an arithmetic number, because the mean of its divisors is an integer number (955024).

Almost surely, 2^3802819 is an apocalyptic number.

3802819 is a deficient number, since it is larger than the sum of its proper divisors (17277).

3802819 is a wasteful number, since it uses less digits than its factorization.

3802819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17276.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 3802819 is about 1950.0817931564. The cubic root of 3802819 is about 156.0876534575.

The spelling of 3802819 in words is "three million, eight hundred two thousand, eight hundred nineteen".