3534820 has 12 divisors (see below), whose sum is σ = 7423164. Its totient is φ = 1413920.

The previous prime is 3534809. The next prime is 3534821. The reversal of 3534820 is 284353.

It can be written as a sum of positive squares in 2 ways, for example, as 692224 + 2842596 = 832^2 + 1686^2 .

It is not an unprimeable number, because it can be changed into a prime (3534821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88351 + ... + 88390.

It is an arithmetic number, because the mean of its divisors is an integer number (618597).

Almost surely, 2^3534820 is an apocalyptic number.

It is an amenable number.

3534820 is an abundant number, since it is smaller than the sum of its proper divisors (3888344).

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

3534820 is a wasteful number, since it uses less digits than its factorization.

3534820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176750 (or 176748 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3534820 is about 1880.1116988094. Note that the first 3 decimals coincide. The cubic root of 3534820 is about 152.3312834462.

The spelling of 3534820 in words is "three million, five hundred thirty-four thousand, eight hundred twenty".