3628819 has 2 divisors, whose sum is σ = 3628820. Its totient is φ = 3628818.

The previous prime is 3628811. The next prime is 3628841. The reversal of 3628819 is 9188263.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3628819 - 2³ = 3628811 is a prime.

It is a super-2 number, since 2×3628819² = 26336654669522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3628811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1814409 + 1814410.

It is an arithmetic number, because the mean of its divisors is an integer number (1814410).

Almost surely, 2^3628819 is an apocalyptic number.

3628819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3628819 is an equidigital number, since it uses as much as digits as its factorization.

3628819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 37.

The square root of 3628819 is about 1904.9459309912. The cubic root of 3628819 is about 153.6697679969.

The spelling of 3628819 in words is "three million, six hundred twenty-eight thousand, eight hundred nineteen".