3821400099 has 60 divisors (see below), whose sum is σ = 6605210920. Its totient is φ = 2193998400.

The previous prime is 3821400091. The next prime is 3821400103. The reversal of 3821400099 is 9900041283.

3821400099 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 3821400099 - 2³ = 3821400091 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3821400091) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 175959 + ... + 196479.

Almost surely, 2^3821400099 is an apocalyptic number.

3821400099 is a deficient number, since it is larger than the sum of its proper divisors (2783810821).

3821400099 is a wasteful number, since it uses less digits than its factorization.

3821400099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20574 (or 20554 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3821400099 is about 61817.4740587158. The cubic root of 3821400099 is about 1563.4146246945.

The spelling of 3821400099 in words is "three billion, eight hundred twenty-one million, four hundred thousand, ninety-nine".