33406197 has 16 divisors (see below), whose sum is σ = 48737280. Its totient is φ = 20185200.

The previous prime is 33406193. The next prime is 33406229. The reversal of 33406197 is 79160433.

It is not a de Polignac number, because 33406197 - 2² = 33406193 is a prime.

It is a super-2 number, since 2×33406197² = 2231947996005618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33406193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11172 + ... + 13842.

It is an arithmetic number, because the mean of its divisors is an integer number (3046080).

Almost surely, 2^33406197 is an apocalyptic number.

It is an amenable number.

33406197 is a deficient number, since it is larger than the sum of its proper divisors (15331083).

33406197 is a wasteful number, since it uses less digits than its factorization.

33406197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 33406197 is about 5779.8094259240. The cubic root of 33406197 is about 322.0641212016.

The spelling of 33406197 in words is "thirty-three million, four hundred six thousand, one hundred ninety-seven".