40083983 has 2 divisors, whose sum is σ = 40083984. Its totient is φ = 40083982.

The previous prime is 40083949. The next prime is 40083991. The reversal of 40083983 is 38938004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40083983 - 2⁶ = 40083919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40083383) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20041991 + 20041992.

It is an arithmetic number, because the mean of its divisors is an integer number (20041992).

Almost surely, 2^40083983 is an apocalyptic number.

40083983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40083983 is an equidigital number, since it uses as much as digits as its factorization.

40083983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40083983 is about 6331.1912781087. The cubic root of 40083983 is about 342.2343702039.

The spelling of 40083983 in words is "forty million, eighty-three thousand, nine hundred eighty-three".