3624385 has 8 divisors (see below), whose sum is σ = 4392936. Its totient is φ = 2870400.

The previous prime is 3624373. The next prime is 3624407. The reversal of 3624385 is 5834263.

It can be written as a sum of positive squares in 4 ways, for example, as 2143296 + 1481089 = 1464^2 + 1217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3624385 - 2⁵ = 3624353 is a prime.

It is a Duffinian number.

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, 3084 + ... + 4093.

It is an arithmetic number, because the mean of its divisors is an integer number (549117).

Almost surely, 2^3624385 is an apocalyptic number.

It is an amenable number.

3624385 is a deficient number, since it is larger than the sum of its proper divisors (768551).

3624385 is a wasteful number, since it uses less digits than its factorization.

3624385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7283.

The product of its digits is 17280, while the sum is 31.

The square root of 3624385 is about 1903.7817627029. The cubic root of 3624385 is about 153.6071535523.

The spelling of 3624385 in words is "three million, six hundred twenty-four thousand, three hundred eighty-five".