3620819 has 2 divisors, whose sum is σ = 3620820. Its totient is φ = 3620818.

The previous prime is 3620803. The next prime is 3620839. The reversal of 3620819 is 9180263.

It is a weak prime.

It is an emirp because it is prime and its reverse (9180263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3620819 - 2⁴ = 3620803 is a prime.

It is a super-2 number, since 2×3620819² = 26220660461522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3620791 and 3620800.

It is not a weakly prime, because it can be changed into another prime (3620839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810409 + 1810410.

It is an arithmetic number, because the mean of its divisors is an integer number (1810410).

Almost surely, 2^3620819 is an apocalyptic number.

3620819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3620819 is an equidigital number, since it uses as much as digits as its factorization.

3620819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3620819 is about 1902.8449752936. The cubic root of 3620819 is about 153.5567594529.

The spelling of 3620819 in words is "three million, six hundred twenty thousand, eight hundred nineteen".