3533530 has 64 divisors (see below), whose sum is σ = 8563968. Its totient is φ = 1013760.

The previous prime is 3533489. The next prime is 3533531. The reversal of 3533530 is 353353.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3533531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9834 + ... + 10186.

It is an arithmetic number, because the mean of its divisors is an integer number (133812).

Almost surely, 2^3533530 is an apocalyptic number.

3533530 is an abundant number, since it is smaller than the sum of its proper divisors (5030438).

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

3533530 is a wasteful number, since it uses less digits than its factorization.

3533530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 2025, while the sum is 22.

The square root of 3533530 is about 1879.7686027807. The cubic root of 3533530 is about 152.3127505586.

Adding to 3533530 its reverse (353353), we get a palindrome (3886883).

It can be divided in two parts, 353 and 3530, that added together give a palindrome (3883).

The spelling of 3533530 in words is "three million, five hundred thirty-three thousand, five hundred thirty".