3748819 has 2 divisors, whose sum is σ = 3748820. Its totient is φ = 3748818.

The previous prime is 3748813. The next prime is 3748831. The reversal of 3748819 is 9188473.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3748819 - 2⁹ = 3748307 is a prime.

It is a super-2 number, since 2×3748819² = 28107287789522, which contains 22 as substring.

3748819 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (3748813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874409 + 1874410.

It is an arithmetic number, because the mean of its divisors is an integer number (1874410).

Almost surely, 2^3748819 is an apocalyptic number.

3748819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3748819 is an equidigital number, since it uses as much as digits as its factorization.

3748819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 3748819 is about 1936.1867162028. The cubic root of 3748819 is about 155.3453140671.

The spelling of 3748819 in words is "three million, seven hundred forty-eight thousand, eight hundred nineteen".