3242520 has 48 divisors (see below), whose sum is σ = 10539360. Its totient is φ = 864576.

The previous prime is 3242509. The next prime is 3242531. The reversal of 3242520 is 252423.

3242520 = 83² + 84² + ... + 217².

It is an interprime number because it is at equal distance from previous prime (3242509) and next prime (3242531).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3242493 and 3242502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4144 + ... + 4863.

It is an arithmetic number, because the mean of its divisors is an integer number (219570).

Almost surely, 2^3242520 is an apocalyptic number.

3242520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3242520 is an abundant number, since it is smaller than the sum of its proper divisors (7296840).

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

3242520 is a wasteful number, since it uses less digits than its factorization.

3242520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024 (or 9017 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 3242520 is about 1800.6998639418. The cubic root of 3242520 is about 148.0110778170.

Adding to 3242520 its reverse (252423), we get a palindrome (3494943).

The spelling of 3242520 in words is "three million, two hundred forty-two thousand, five hundred twenty".