3608491 has 2 divisors, whose sum is σ = 3608492. Its totient is φ = 3608490.

The previous prime is 3608489. The next prime is 3608503. The reversal of 3608491 is 1948063.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3608491 - 2¹ = 3608489 is a prime.

Together with 3608489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3608191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804245 + 1804246.

It is an arithmetic number, because the mean of its divisors is an integer number (1804246).

Almost surely, 2^3608491 is an apocalyptic number.

3608491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3608491 is an equidigital number, since it uses as much as digits as its factorization.

3608491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3608491 is about 1899.6028532301. The cubic root of 3608491 is about 153.3822869318.

The spelling of 3608491 in words is "three million, six hundred eight thousand, four hundred ninety-one".