33403134 has 16 divisors (see below), whose sum is σ = 66867840. Its totient is φ = 11124120.

The previous prime is 33403133. The next prime is 33403141. The reversal of 33403134 is 43130433.

It is a super-2 number, since 2×33403134² = 2231538722043912, 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 33403134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33403133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7569 + ... + 11139.

It is an arithmetic number, because the mean of its divisors is an integer number (4179240).

Almost surely, 2^33403134 is an apocalyptic number.

33403134 is an abundant number, since it is smaller than the sum of its proper divisors (33464706).

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

33403134 is a wasteful number, since it uses less digits than its factorization.

33403134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 33403134 is about 5779.5444457154. The cubic root of 33403134 is about 322.0542775933.

Adding to 33403134 its reverse (43130433), we get a palindrome (76533567).

The spelling of 33403134 in words is "thirty-three million, four hundred three thousand, one hundred thirty-four".