33438468 has 24 divisors (see below), whose sum is σ = 89169472. Its totient is φ = 9553824.

The previous prime is 33438467. The next prime is 33438469. The reversal of 33438468 is 86483433.

It is an interprime number because it is at equal distance from previous prime (33438467) and next prime (33438469).

It is a super-2 number, since 2×33438468² = 2236262284374048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33438467) 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, 198955 + ... + 199122.

Almost surely, 2^33438468 is an apocalyptic number.

It is an amenable number.

33438468 is an abundant number, since it is smaller than the sum of its proper divisors (55731004).

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

33438468 is a wasteful number, since it uses less digits than its factorization.

33438468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398091 (or 398089 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The square root of 33438468 is about 5782.6004530834. The cubic root of 33438468 is about 322.1677944446.

It can be divided in two parts, 3343 and 8468, that added together give a palindrome (11811).

The spelling of 33438468 in words is "thirty-three million, four hundred thirty-eight thousand, four hundred sixty-eight".