3828919 has 2 divisors, whose sum is σ = 3828920. Its totient is φ = 3828918.

The previous prime is 3828917. The next prime is 3828931. The reversal of 3828919 is 9198283.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3828919 - 2¹ = 3828917 is a prime.

It is a super-2 number, since 2×3828919² = 29321241417122, which contains 22 as substring.

Together with 3828917, it forms a pair of twin primes.

It is a Chen prime.

3828919 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3828917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1914459 + 1914460.

It is an arithmetic number, because the mean of its divisors is an integer number (1914460).

Almost surely, 2^3828919 is an apocalyptic number.

3828919 is a deficient number, since it is larger than the sum of its proper divisors (1).

3828919 is an equidigital number, since it uses as much as digits as its factorization.

3828919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 3828919 is about 1956.7623769891. The cubic root of 3828919 is about 156.4439332757.

The spelling of 3828919 in words is "three million, eight hundred twenty-eight thousand, nine hundred nineteen".