3649259 has 2 divisors, whose sum is σ = 3649260. Its totient is φ = 3649258.

The previous prime is 3649253. The next prime is 3649297. The reversal of 3649259 is 9529463.

It is an a-pointer prime, because the next prime (3649297) can be obtained adding 3649259 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (9529463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3649259 - 2⁸ = 3649003 is a prime.

It is not a weakly prime, because it can be changed into another prime (3649253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824629 + 1824630.

It is an arithmetic number, because the mean of its divisors is an integer number (1824630).

Almost surely, 2^3649259 is an apocalyptic number.

3649259 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649259 is an equidigital number, since it uses as much as digits as its factorization.

3649259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 38.

The square root of 3649259 is about 1910.3033790474. The cubic root of 3649259 is about 153.9577525085.

The spelling of 3649259 in words is "three million, six hundred forty-nine thousand, two hundred fifty-nine".