33434140 has 12 divisors (see below), whose sum is σ = 70211736. Its totient is φ = 13373648.

The previous prime is 33434123. The next prime is 33434173. The reversal of 33434140 is 4143433.

It is a super-2 number, since 2×33434140² = 2235683435079200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835834 + ... + 835873.

It is an arithmetic number, because the mean of its divisors is an integer number (5850978).

Almost surely, 2^33434140 is an apocalyptic number.

It is an amenable number.

33434140 is an abundant number, since it is smaller than the sum of its proper divisors (36777596).

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

33434140 is a wasteful number, since it uses less digits than its factorization.

33434140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671716 (or 1671714 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 33434140 is about 5782.2262148761. The cubic root of 33434140 is about 322.1538942625.

Adding to 33434140 its reverse (4143433), we get a palindrome (37577573).

The spelling of 33434140 in words is "thirty-three million, four hundred thirty-four thousand, one hundred forty".