3561040 has 40 divisors (see below), whose sum is σ = 9463680. Its totient is φ = 1220736.

The previous prime is 3561023. The next prime is 3561053. The reversal of 3561040 is 401653.

3561040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3560999 and 3561017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620 + ... + 3739.

It is an arithmetic number, because the mean of its divisors is an integer number (236592).

Almost surely, 2^3561040 is an apocalyptic number.

It is an amenable number.

3561040 is an abundant number, since it is smaller than the sum of its proper divisors (5902640).

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

3561040 is a wasteful number, since it uses less digits than its factorization.

3561040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379 (or 6373 counting only the distinct ones).

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

The square root of 3561040 is about 1887.0718057350. The cubic root of 3561040 is about 152.7070018792.

Adding to 3561040 its reverse (401653), we get a palindrome (3962693).

It can be divided in two parts, 35 and 61040, that added together give a triangular number (61075 = T₃₄₉).

The spelling of 3561040 in words is "three million, five hundred sixty-one thousand, forty".