3814078021 has 12 divisors (see below), whose sum is σ = 4131776928. Its totient is φ = 3519204624.

The previous prime is 3814078003. The next prime is 3814078033. The reversal of 3814078021 is 1208704183.

It is a happy number.

3814078021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3814078021 - 2¹⁷ = 3813946949 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 (3814078091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 775456 + ... + 780358.

It is an arithmetic number, because the mean of its divisors is an integer number (344314744).

Almost surely, 2^3814078021 is an apocalyptic number.

It is an amenable number.

3814078021 is a deficient number, since it is larger than the sum of its proper divisors (317698907).

3814078021 is a wasteful number, since it uses less digits than its factorization.

3814078021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9532 (or 9519 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 3814078021 is about 61758.2222946872. Note that the first 4 decimals coincide. The cubic root of 3814078021 is about 1562.4154478919.

The spelling of 3814078021 in words is "three billion, eight hundred fourteen million, seventy-eight thousand, twenty-one".