33790397 has 2 divisors, whose sum is σ = 33790398. Its totient is φ = 33790396.

The previous prime is 33790387. The next prime is 33790411. The reversal of 33790397 is 79309733.

33790397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33570436 + 219961 = 5794^2 + 469^2 .

It is an emirp because it is prime and its reverse (79309733) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33790397 - 2⁶ = 33790333 is a prime.

It is a super-2 number, since 2×33790397² = 2283581858835218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33790357) 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, 16895198 + 16895199.

It is an arithmetic number, because the mean of its divisors is an integer number (16895199).

Almost surely, 2^33790397 is an apocalyptic number.

It is an amenable number.

33790397 is a deficient number, since it is larger than the sum of its proper divisors (1).

33790397 is an equidigital number, since it uses as much as digits as its factorization.

33790397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 41.

The square root of 33790397 is about 5812.9507997230. The cubic root of 33790397 is about 323.2940894258.

The spelling of 33790397 in words is "thirty-three million, seven hundred ninety thousand, three hundred ninety-seven".