40938699 has 4 divisors (see below), whose sum is σ = 54584936. Its totient is φ = 27292464.

The previous prime is 40938683. The next prime is 40938701. The reversal of 40938699 is 99683904.

It is a happy number.

40938699 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 not a de Polignac number, because 40938699 - 2⁴ = 40938683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40938199) 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, 6823114 + ... + 6823119.

It is an arithmetic number, because the mean of its divisors is an integer number (13646234).

Almost surely, 2^40938699 is an apocalyptic number.

40938699 is a deficient number, since it is larger than the sum of its proper divisors (13646237).

40938699 is a wasteful number, since it uses less digits than its factorization.

40938699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13646236.

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 40938699 is about 6398.3356429622. The cubic root of 40938699 is about 344.6497853389.

The spelling of 40938699 in words is "forty million, nine hundred thirty-eight thousand, six hundred ninety-nine".