33438479 has 8 divisors (see below), whose sum is σ = 35328960. Its totient is φ = 31597216.

The previous prime is 33438469. The next prime is 33438487. The reversal of 33438479 is 97483433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33438479 - 2¹⁶ = 33372943 is a prime.

It is a super-2 number, since 2×33438479² = 2236263755666882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33438469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10904 + ... + 13629.

It is an arithmetic number, because the mean of its divisors is an integer number (4416120).

Almost surely, 2^33438479 is an apocalyptic number.

33438479 is a deficient number, since it is larger than the sum of its proper divisors (1890481).

33438479 is a wasteful number, since it uses less digits than its factorization.

33438479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24609.

The product of its digits is 217728, while the sum is 41.

The square root of 33438479 is about 5782.6014042125. The cubic root of 33438479 is about 322.1678297716.

The spelling of 33438479 in words is "thirty-three million, four hundred thirty-eight thousand, four hundred seventy-nine".