3605140 has 48 divisors (see below), whose sum is σ = 9442944. Its totient is φ = 1123200.

The previous prime is 3605111. The next prime is 3605141. The reversal of 3605140 is 415063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605141) by changing a digit.

It is a nontrivial repunit in base 153.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (196728).

Almost surely, 2^3605140 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 3605140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4721472).

3605140 is an abundant number, since it is smaller than the sum of its proper divisors (5837804).

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

3605140 is a wasteful number, since it uses less digits than its factorization.

3605140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3605140 is about 1898.7206218925. The cubic root of 3605140 is about 153.3347930968.

Multiplying 3605140 by its sum of digits (19), we get a triangular number (68497660 = T₁₁₇₀₄).

The spelling of 3605140 in words is "three million, six hundred five thousand, one hundred forty".