3834820 has 24 divisors (see below), whose sum is σ = 8785728. Its totient is φ = 1394400.

The previous prime is 3834797. The next prime is 3834829. The reversal of 3834820 is 284383.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3834829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8496 + ... + 8935.

It is an arithmetic number, because the mean of its divisors is an integer number (366072).

Almost surely, 2^3834820 is an apocalyptic number.

It is an amenable number.

3834820 is an abundant number, since it is smaller than the sum of its proper divisors (4950908).

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

3834820 is a wasteful number, since it uses less digits than its factorization.

3834820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17451 (or 17449 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 3834820 is about 1958.2696443544. The cubic root of 3834820 is about 156.5242607171.

The spelling of 3834820 in words is "three million, eight hundred thirty-four thousand, eight hundred twenty".