33800138 has 8 divisors (see below), whose sum is σ = 52448580. Its totient is φ = 16317280.

The previous prime is 33800111. The next prime is 33800149. The reversal of 33800138 is 83100833.

It can be written as a sum of positive squares in 2 ways, for example, as 33373729 + 426409 = 5777^2 + 653^2 .

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

It is a super-2 number, since 2×33800138² = 2284898657638088, which contains 22 as substring.

It is a Curzon 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, 291323 + ... + 291438.

Almost surely, 2^33800138 is an apocalyptic number.

33800138 is a deficient number, since it is larger than the sum of its proper divisors (18648442).

33800138 is a wasteful number, since it uses less digits than its factorization.

33800138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582792.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 33800138 is about 5813.7886098481. The cubic root of 33800138 is about 323.3251525427.

The spelling of 33800138 in words is "thirty-three million, eight hundred thousand, one hundred thirty-eight".