3624561 has 8 divisors (see below), whose sum is σ = 5369760. Its totient is φ = 2416356.

The previous prime is 3624541. The next prime is 3624563. The reversal of 3624561 is 1654263.

It is not a de Polignac number, because 3624561 - 2⁵ = 3624529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 134243 = 3624561 / (3 + 6 + 2 + 4 + 5 + 6 + 1).

It is a d-powerful number, because it can be written as 3³ + 6⁸ + 2⁵ + 4⁹ + 5⁵ + 6⁸ + 1 .

It is not an unprimeable number, because it can be changed into a prime (3624563) 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, 67095 + ... + 67148.

It is an arithmetic number, because the mean of its divisors is an integer number (671220).

Almost surely, 2^3624561 is an apocalyptic number.

It is an amenable number.

3624561 is a deficient number, since it is larger than the sum of its proper divisors (1745199).

3624561 is a wasteful number, since it uses less digits than its factorization.

3624561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134252 (or 134246 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3624561 is about 1903.8279859273. The cubic root of 3624561 is about 153.6096398979.

The spelling of 3624561 in words is "three million, six hundred twenty-four thousand, five hundred sixty-one".