40897111 has 8 divisors (see below), whose sum is σ = 41313024. Its totient is φ = 40483680.

The previous prime is 40897093. The next prime is 40897117. The reversal of 40897111 is 11179804.

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 40897111 - 2⁷ = 40896983 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 (40897117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52521 + ... + 53293.

It is an arithmetic number, because the mean of its divisors is an integer number (5164128).

Almost surely, 2^40897111 is an apocalyptic number.

40897111 is a deficient number, since it is larger than the sum of its proper divisors (415913).

40897111 is a wasteful number, since it uses less digits than its factorization.

40897111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 40897111 is about 6395.0849095223. The cubic root of 40897111 is about 344.5330404503.

The spelling of 40897111 in words is "forty million, eight hundred ninety-seven thousand, one hundred eleven".