33401104 has 40 divisors (see below), whose sum is σ = 71334720. Its totient is φ = 15024000.

The previous prime is 33401063. The next prime is 33401113. The reversal of 33401104 is 40110433.

It is a super-2 number, since 2×33401104² = 2231267496837632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 16837 + ... + 18715.

It is an arithmetic number, because the mean of its divisors is an integer number (1783368).

Almost surely, 2^33401104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33401104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35667360).

33401104 is an abundant number, since it is smaller than the sum of its proper divisors (37933616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33401104 is a wasteful number, since it uses less digits than its factorization.

33401104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33401104 is about 5779.3688236692. The cubic root of 33401104 is about 322.0477534208.

Adding to 33401104 its reverse (40110433), we get a palindrome (73511537).

It can be divided in two parts, 3340 and 1104, that added together give a palindrome (4444).

The spelling of 33401104 in words is "thirty-three million, four hundred one thousand, one hundred four".