3623520 has 48 divisors (see below), whose sum is σ = 11415600. Its totient is φ = 966144.

The previous prime is 3623519. The next prime is 3623537. The reversal of 3623520 is 253263.

It is a tau number, because it is divible by the number of its divisors (48).

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, 3295 + ... + 4254.

It is an arithmetic number, because the mean of its divisors is an integer number (237825).

Almost surely, 2^3623520 is an apocalyptic number.

3623520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3623520 is an abundant number, since it is smaller than the sum of its proper divisors (7792080).

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

3623520 is a wasteful number, since it uses less digits than its factorization.

3623520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567 (or 7559 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 3623520 is about 1903.5545697458. The cubic root of 3623520 is about 153.5949325585.

Adding to 3623520 its reverse (253263), we get a palindrome (3876783).

The spelling of 3623520 in words is "three million, six hundred twenty-three thousand, five hundred twenty".