3821341428 has 48 divisors (see below), whose sum is σ = 9966552960. Its totient is φ = 1266147072.

The previous prime is 3821341399. The next prime is 3821341429. The reversal of 3821341428 is 8241431283.

It is a happy number.

3821341428 is a `hidden beast` number, since 3 + 8 + 213 + 414 + 28 = 666.

3821341428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3821341392 and 3821341401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821341429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87901 + ... + 123972.

It is an arithmetic number, because the mean of its divisors is an integer number (207636520).

Almost surely, 2^3821341428 is an apocalyptic number.

It is an amenable number.

3821341428 is an abundant number, since it is smaller than the sum of its proper divisors (6145211532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3821341428 is a wasteful number, since it uses less digits than its factorization.

3821341428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212053 (or 212045 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 3821341428 is about 61816.9995066082. Note that the first 3 decimals coincide. The cubic root of 3821341428 is about 1563.4066234762.

The spelling of 3821341428 in words is "three billion, eight hundred twenty-one million, three hundred forty-one thousand, four hundred twenty-eight".