33350399 has 4 divisors (see below), whose sum is σ = 33915720. Its totient is φ = 32785080.

The previous prime is 33350393. The next prime is 33350419. The reversal of 33350399 is 99305333.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99305333 = 827 ⋅120079.

It is a cyclic number.

It is not a de Polignac number, because 33350399 - 2¹² = 33346303 is a prime.

It is a super-2 number, since 2×33350399² = 2224498226918402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33350393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282572 + ... + 282689.

It is an arithmetic number, because the mean of its divisors is an integer number (8478930).

Almost surely, 2^33350399 is an apocalyptic number.

33350399 is a deficient number, since it is larger than the sum of its proper divisors (565321).

33350399 is an equidigital number, since it uses as much as digits as its factorization.

33350399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565320.

The product of its (nonzero) digits is 32805, while the sum is 35.

The square root of 33350399 is about 5774.9804328673. The cubic root of 33350399 is about 321.8847078984.

The spelling of 33350399 in words is "thirty-three million, three hundred fifty thousand, three hundred ninety-nine".