3532820 has 12 divisors (see below), whose sum is σ = 7418964. Its totient is φ = 1413120.

The previous prime is 3532817. The next prime is 3532829. The reversal of 3532820 is 282353.

It can be written as a sum of positive squares in 2 ways, for example, as 1800964 + 1731856 = 1342^2 + 1316^2 .

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3532829) 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, 88301 + ... + 88340.

It is an arithmetic number, because the mean of its divisors is an integer number (618247).

Almost surely, 2^3532820 is an apocalyptic number.

It is an amenable number.

3532820 is an abundant number, since it is smaller than the sum of its proper divisors (3886144).

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

3532820 is a wasteful number, since it uses less digits than its factorization.

3532820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176650 (or 176648 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3532820 is about 1879.5797402611. The cubic root of 3532820 is about 152.3025483627.

The spelling of 3532820 in words is "three million, five hundred thirty-two thousand, eight hundred twenty".