33836838 has 16 divisors (see below), whose sum is σ = 77341440. Its totient is φ = 9667656.

The previous prime is 33836837. The next prime is 33836861. The reversal of 33836838 is 83863833.

It is a super-2 number, since 2×33836838² = 2289863211676488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 805639 = 33836838 / (3 + 3 + 8 + 3 + 6 + 8 + 3 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33836838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33836837) 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, 402778 + ... + 402861.

It is an arithmetic number, because the mean of its divisors is an integer number (4833840).

Almost surely, 2^33836838 is an apocalyptic number.

33836838 is an abundant number, since it is smaller than the sum of its proper divisors (43504602).

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

33836838 is a wasteful number, since it uses less digits than its factorization.

33836838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805651.

The product of its digits is 248832, while the sum is 42.

The square root of 33836838 is about 5816.9440430522. The cubic root of 33836838 is about 323.4421317594.

The spelling of 33836838 in words is "thirty-three million, eight hundred thirty-six thousand, eight hundred thirty-eight".