33868438 has 4 divisors (see below), whose sum is σ = 50802660. Its totient is φ = 16934218.

The previous prime is 33868427. The next prime is 33868441. The reversal of 33868438 is 83486833.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83486833 = 97 ⋅860689.

It is a super-2 number, since 2×33868438² = 2294142185119688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33868394 and 33868403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8467108 + ... + 8467111.

It is an arithmetic number, because the mean of its divisors is an integer number (12700665).

Almost surely, 2^33868438 is an apocalyptic number.

33868438 is a deficient number, since it is larger than the sum of its proper divisors (16934222).

33868438 is a wasteful number, since it uses less digits than its factorization.

33868438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16934221.

The product of its digits is 331776, while the sum is 43.

The square root of 33868438 is about 5819.6596120392. The cubic root of 33868438 is about 323.5427872571.

The spelling of 33868438 in words is "thirty-three million, eight hundred sixty-eight thousand, four hundred thirty-eight".