3025820 has 24 divisors (see below), whose sum is σ = 7262304. Its totient is φ = 1037376.

The previous prime is 3025819. The next prime is 3025837. The reversal of 3025820 is 285203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 3025792 and 3025801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10667 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (302596).

Almost surely, 2^3025820 is an apocalyptic number.

It is an amenable number.

3025820 is an abundant number, since it is smaller than the sum of its proper divisors (4236484).

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

3025820 is a wasteful number, since it uses less digits than its factorization.

3025820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21629 (or 21627 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 3025820 is about 1739.4884305450. The cubic root of 3025820 is about 144.6375410041.

The spelling of 3025820 in words is "three million, twenty-five thousand, eight hundred twenty".