33401369 has 4 divisors (see below), whose sum is σ = 33858996. Its totient is φ = 32943744.

The previous prime is 33401363. The next prime is 33401393. The reversal of 33401369 is 96310433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96310433 = 73 ⋅1319321.

It can be written as a sum of positive squares in 2 ways, for example, as 26832400 + 6568969 = 5180^2 + 2563^2 .

It is a cyclic number.

It is not a de Polignac number, because 33401369 - 2⁸ = 33401113 is a prime.

It is a super-2 number, since 2×33401369² = 2231302902148322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33401363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228704 + ... + 228849.

It is an arithmetic number, because the mean of its divisors is an integer number (8464749).

Almost surely, 2^33401369 is an apocalyptic number.

It is an amenable number.

33401369 is a deficient number, since it is larger than the sum of its proper divisors (457627).

33401369 is an equidigital number, since it uses as much as digits as its factorization.

33401369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457626.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 33401369 is about 5779.3917500028. The cubic root of 33401369 is about 322.0486051135.

The spelling of 33401369 in words is "thirty-three million, four hundred one thousand, three hundred sixty-nine".