3620560 has 40 divisors (see below), whose sum is σ = 8499456. Its totient is φ = 1434240.

The previous prime is 3620537. The next prime is 3620567. The reversal of 3620560 is 650263.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13225 + ... + 13495.

Almost surely, 2^3620560 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 3620560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4249728).

3620560 is an abundant number, since it is smaller than the sum of its proper divisors (4878896).

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

3620560 is a wasteful number, since it uses less digits than its factorization.

3620560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 3620560 is about 1902.7769180858. The cubic root of 3620560 is about 153.5530980207.

The spelling of 3620560 in words is "three million, six hundred twenty thousand, five hundred sixty".