40606993 has 8 divisors (see below), whose sum is σ = 47905280. Its totient is φ = 33683040.

The previous prime is 40606961. The next prime is 40607023. The reversal of 40606993 is 39960604.

40606993 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 40606993 - 2⁵ = 40606961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40606913) 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, 93348 + ... + 93781.

It is an arithmetic number, because the mean of its divisors is an integer number (5988160).

Almost surely, 2^40606993 is an apocalyptic number.

It is an amenable number.

40606993 is a deficient number, since it is larger than the sum of its proper divisors (7298287).

40606993 is a wasteful number, since it uses less digits than its factorization.

40606993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187167.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 40606993 is about 6372.3616501263. The cubic root of 40606993 is about 343.7164177441.

The spelling of 40606993 in words is "forty million, six hundred six thousand, nine hundred ninety-three".