40434197 has 8 divisors (see below), whose sum is σ = 41096160. Its totient is φ = 39776560.

The previous prime is 40434193. The next prime is 40434203. The reversal of 40434197 is 79143404.

It is a happy number.

40434197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40434197 - 2² = 40434193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21422 + ... + 23232.

It is an arithmetic number, because the mean of its divisors is an integer number (5137020).

Almost surely, 2^40434197 is an apocalyptic number.

It is an amenable number.

40434197 is a deficient number, since it is larger than the sum of its proper divisors (661963).

40434197 is a wasteful number, since it uses less digits than its factorization.

40434197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40434197 is about 6358.7889570263. The cubic root of 40434197 is about 343.2281827323.

The spelling of 40434197 in words is "forty million, four hundred thirty-four thousand, one hundred ninety-seven".