3800840819 has 4 divisors (see below), whose sum is σ = 3814562544. Its totient is φ = 3787119096.

The previous prime is 3800840707. The next prime is 3800840831. The reversal of 3800840819 is 9180480083.

3800840819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3800840819 - 2²⁴ = 3784063603 is a prime.

It is a super-2 number, since 2×3800840819² = 28892781862753181522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3800840899) 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, 6860447 + ... + 6861000.

It is an arithmetic number, because the mean of its divisors is an integer number (953640636).

Almost surely, 2^3800840819 is an apocalyptic number.

3800840819 is a deficient number, since it is larger than the sum of its proper divisors (13721725).

3800840819 is a wasteful number, since it uses less digits than its factorization.

3800840819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13721724.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 3800840819 is about 61650.9595951271. The cubic root of 3800840819 is about 1560.6058378579.

The spelling of 3800840819 in words is "three billion, eight hundred million, eight hundred forty thousand, eight hundred nineteen".