3235540 has 72 divisors (see below), whose sum is σ = 8580096. Its totient is φ = 1003200.

The previous prime is 3235499. The next prime is 3235543. The reversal of 3235540 is 455323.

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 (3235543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16845 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (119168).

Almost surely, 2^3235540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3235540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4290048).

3235540 is an abundant number, since it is smaller than the sum of its proper divisors (5344556).

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

3235540 is a wasteful number, since it uses less digits than its factorization.

3235540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 3235540 is about 1798.7606844714. The cubic root of 3235540 is about 147.9047963319.

The spelling of 3235540 in words is "three million, two hundred thirty-five thousand, five hundred forty".