3828920 has 16 divisors (see below), whose sum is σ = 8615160. Its totient is φ = 1531552.

The previous prime is 3828919. The next prime is 3828931. The reversal of 3828920 is 298283.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47822 + ... + 47901.

Almost surely, 2^3828920 is an apocalyptic number.

It is an amenable number.

3828920 is an abundant number, since it is smaller than the sum of its proper divisors (4786240).

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

3828920 is a wasteful number, since it uses less digits than its factorization.

3828920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95734 (or 95730 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3828920 is about 1956.7626325132. The cubic root of 3828920 is about 156.4439468952.

The spelling of 3828920 in words is "three million, eight hundred twenty-eight thousand, nine hundred twenty".