33938819 has 2 divisors, whose sum is σ = 33938820. Its totient is φ = 33938818.

The previous prime is 33938803. The next prime is 33938837. The reversal of 33938819 is 91883933.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33938819 - 2⁴ = 33938803 is a prime.

It is a super-2 number, since 2×33938819² = 2303686870229522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33938819.

It is not a weakly prime, because it can be changed into another prime (33958819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16969409 + 16969410.

It is an arithmetic number, because the mean of its divisors is an integer number (16969410).

Almost surely, 2^33938819 is an apocalyptic number.

33938819 is a deficient number, since it is larger than the sum of its proper divisors (1).

33938819 is an equidigital number, since it uses as much as digits as its factorization.

33938819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 44.

The square root of 33938819 is about 5825.7033051813. The cubic root of 33938819 is about 323.7667470951.

The spelling of 33938819 in words is "thirty-three million, nine hundred thirty-eight thousand, eight hundred nineteen".