3802821788 has 12 divisors (see below), whose sum is σ = 6809704440. Its totient is φ = 1857191952.

The previous prime is 3802821787. The next prime is 3802821797. The reversal of 3802821788 is 8871282083.

3802821788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3802821788² = 28922907102575033888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3802821787) 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, 11054543 + ... + 11054886.

It is an arithmetic number, because the mean of its divisors is an integer number (567475370).

Almost surely, 2^3802821788 is an apocalyptic number.

It is an amenable number.

3802821788 is a deficient number, since it is larger than the sum of its proper divisors (3006882652).

3802821788 is a wasteful number, since it uses less digits than its factorization.

3802821788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22109476 (or 22109474 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 47.

The square root of 3802821788 is about 61667.0235052739. The cubic root of 3802821788 is about 1560.8769160217.

The spelling of 3802821788 in words is "three billion, eight hundred two million, eight hundred twenty-one thousand, seven hundred eighty-eight".