3624491 has 4 divisors (see below), whose sum is σ = 3903312. Its totient is φ = 3345672.

The previous prime is 3624473. The next prime is 3624493. The reversal of 3624491 is 1944263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1944263 = 277 ⋅7019.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3624491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3624493) 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 3 ways as a sum of consecutive naturals, for example, 139391 + ... + 139416.

It is an arithmetic number, because the mean of its divisors is an integer number (975828).

Almost surely, 2^3624491 is an apocalyptic number.

3624491 is a deficient number, since it is larger than the sum of its proper divisors (278821).

3624491 is a wasteful number, since it uses less digits than its factorization.

3624491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278820.

The product of its digits is 5184, while the sum is 29.

The square root of 3624491 is about 1903.8096018247. The cubic root of 3624491 is about 153.6086510201.

The spelling of 3624491 in words is "three million, six hundred twenty-four thousand, four hundred ninety-one".