3645419 has 2 divisors, whose sum is σ = 3645420. Its totient is φ = 3645418.

The previous prime is 3645409. The next prime is 3645449. The reversal of 3645419 is 9145463.

It is a weak prime.

It is an emirp because it is prime and its reverse (9145463) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645419 is a prime.

It is a super-2 number, since 2×3645419² = 26578159371122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3645409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822709 + 1822710.

It is an arithmetic number, because the mean of its divisors is an integer number (1822710).

Almost surely, 2^3645419 is an apocalyptic number.

3645419 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645419 is an equidigital number, since it uses as much as digits as its factorization.

3645419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 3645419 is about 1909.2980385472. The cubic root of 3645419 is about 153.9037319290.

The spelling of 3645419 in words is "three million, six hundred forty-five thousand, four hundred nineteen".