3843128 has 8 divisors (see below), whose sum is σ = 7205880. Its totient is φ = 1921560.

The previous prime is 3843127. The next prime is 3843131. The reversal of 3843128 is 8213483.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3843128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3843121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240188 + ... + 240203.

It is an arithmetic number, because the mean of its divisors is an integer number (900735).

Almost surely, 2^3843128 is an apocalyptic number.

It is an amenable number.

3843128 is a deficient number, since it is larger than the sum of its proper divisors (3362752).

3843128 is a wasteful number, since it uses less digits than its factorization.

3843128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480397 (or 480393 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 3843128 is about 1960.3897571657. The cubic root of 3843128 is about 156.6372139191.

The spelling of 3843128 in words is "three million, eight hundred forty-three thousand, one hundred twenty-eight".