40339983 has 16 divisors (see below), whose sum is σ = 57127680. Its totient is φ = 25248384.

The previous prime is 40339979. The next prime is 40339987. The reversal of 40339983 is 38993304.

40339983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40339979) and next prime (40339987).

It is not a de Polignac number, because 40339983 - 2² = 40339979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40339987) 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 15 ways as a sum of consecutive naturals, for example, 3310 + ... + 9572.

It is an arithmetic number, because the mean of its divisors is an integer number (3570480).

Almost surely, 2^40339983 is an apocalyptic number.

40339983 is a deficient number, since it is larger than the sum of its proper divisors (16787697).

40339983 is a wasteful number, since it uses less digits than its factorization.

40339983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6398.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 40339983 is about 6351.3764649877. The cubic root of 40339983 is about 342.9613949587.

The spelling of 40339983 in words is "forty million, three hundred thirty-nine thousand, nine hundred eighty-three".