3538140 has 48 divisors (see below), whose sum is σ = 10016160. Its totient is φ = 933120.

The previous prime is 3538133. The next prime is 3538147. The reversal of 3538140 is 418353.

It is an interprime number because it is at equal distance from previous prime (3538133) and next prime (3538147).

It is a self number, because there is not a number n which added to its sum of digits gives 3538140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3538147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6270 + ... + 6810.

It is an arithmetic number, because the mean of its divisors is an integer number (208670).

Almost surely, 2^3538140 is an apocalyptic number.

3538140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3538140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5008080).

3538140 is an abundant number, since it is smaller than the sum of its proper divisors (6478020).

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

3538140 is a wasteful number, since it uses less digits than its factorization.

3538140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 3538140 is about 1880.9944178546. The cubic root of 3538140 is about 152.3789597644.

The spelling of 3538140 in words is "three million, five hundred thirty-eight thousand, one hundred forty".