33806197 has 8 divisors (see below), whose sum is σ = 34806176. Its totient is φ = 32810832.

The previous prime is 33806173. The next prime is 33806219. The reversal of 33806197 is 79160833.

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 33806197 - 2¹⁹ = 33281909 is a prime.

It is a super-2 number, since 2×33806197² = 2285717911205618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33806107) 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, 18478 + ... + 20224.

It is an arithmetic number, because the mean of its divisors is an integer number (4350772).

Almost surely, 2^33806197 is an apocalyptic number.

33806197 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

33806197 is a deficient number, since it is larger than the sum of its proper divisors (999979).

33806197 is a wasteful number, since it uses less digits than its factorization.

33806197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 33806197 is about 5814.3096752753. The cubic root of 33806197 is about 323.3444711034.

The spelling of 33806197 in words is "thirty-three million, eight hundred six thousand, one hundred ninety-seven".