3838796021 has 4 divisors (see below), whose sum is σ = 3896091552. Its totient is φ = 3781500492.

The previous prime is 3838796009. The next prime is 3838796023. The reversal of 3838796021 is 1206978383.

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 3838796021 - 2⁶ = 3838795957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838796023) 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, 28647665 + ... + 28647798.

It is an arithmetic number, because the mean of its divisors is an integer number (974022888).

Almost surely, 2^3838796021 is an apocalyptic number.

It is an amenable number.

3838796021 is a deficient number, since it is larger than the sum of its proper divisors (57295531).

3838796021 is an equidigital number, since it uses as much as digits as its factorization.

3838796021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57295530.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3838796021 is about 61958.0182139487. The cubic root of 3838796021 is about 1565.7833789980.

The spelling of 3838796021 in words is "three billion, eight hundred thirty-eight million, seven hundred ninety-six thousand, twenty-one".