40006927 has 4 divisors (see below), whose sum is σ = 40174560. Its totient is φ = 39839296.

The previous prime is 40006919. The next prime is 40006931. The reversal of 40006927 is 72960004.

40006927 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40006927 - 2³ = 40006919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40006895 and 40006904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40006907) 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 3 ways as a sum of consecutive naturals, for example, 83458 + ... + 83935.

It is an arithmetic number, because the mean of its divisors is an integer number (10043640).

Almost surely, 2^40006927 is an apocalyptic number.

40006927 is a deficient number, since it is larger than the sum of its proper divisors (167633).

40006927 is a wasteful number, since it uses less digits than its factorization.

40006927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167632.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 40006927 is about 6325.1029240638. The cubic root of 40006927 is about 342.0149298682.

The spelling of 40006927 in words is "forty million, six thousand, nine hundred twenty-seven".