33861798 has 12 divisors (see below), whose sum is σ = 73367268. Its totient is φ = 11287260.

The previous prime is 33861767. The next prime is 33861803. The reversal of 33861798 is 89716833.

It is a happy number.

It is a super-2 number, since 2×33861798² = 2293242727585608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 940588 + ... + 940623.

It is an arithmetic number, because the mean of its divisors is an integer number (6113939).

Almost surely, 2^33861798 is an apocalyptic number.

33861798 is an abundant number, since it is smaller than the sum of its proper divisors (39505470).

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

33861798 is a wasteful number, since it uses less digits than its factorization.

33861798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881219 (or 1881216 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 33861798 is about 5819.0891039750. The cubic root of 33861798 is about 323.5216420587.

It can be divided in two parts, 3386 and 1798, that added together give a square (5184 = 72²).

The spelling of 33861798 in words is "thirty-three million, eight hundred sixty-one thousand, seven hundred ninety-eight".