3506819 has 2 divisors, whose sum is σ = 3506820. Its totient is φ = 3506818.

The previous prime is 3506809. The next prime is 3506863. The reversal of 3506819 is 9186053.

It is a weak prime.

It is an emirp because it is prime and its reverse (9186053) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3506819 is a prime.

It is a super-2 number, since 2×3506819² = 24595558997522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3506809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753409 + 1753410.

It is an arithmetic number, because the mean of its divisors is an integer number (1753410).

Almost surely, 2^3506819 is an apocalyptic number.

3506819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506819 is an equidigital number, since it uses as much as digits as its factorization.

3506819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 3506819 is about 1872.6502609938. The cubic root of 3506819 is about 151.9279870097.

The spelling of 3506819 in words is "three million, five hundred six thousand, eight hundred nineteen".