3523530 has 32 divisors (see below), whose sum is σ = 8587584. Its totient is φ = 925056.

The previous prime is 3523519. The next prime is 3523561. The reversal of 3523530 is 353253.

It is a junction number, because it is equal to n+sod(n) for n = 3523497 and 3523506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134 + ... + 2886.

It is an arithmetic number, because the mean of its divisors is an integer number (268362).

Almost surely, 2^3523530 is an apocalyptic number.

3523530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3523530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4293792).

3523530 is an abundant number, since it is smaller than the sum of its proper divisors (5064054).

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

3523530 is a wasteful number, since it uses less digits than its factorization.

3523530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 3523530 is about 1877.1068163533. The cubic root of 3523530 is about 152.1689315258.

Adding to 3523530 its reverse (353253), we get a palindrome (3876783).

The spelling of 3523530 in words is "three million, five hundred twenty-three thousand, five hundred thirty".