39240937 has 2 divisors, whose sum is σ = 39240938. Its totient is φ = 39240936.

The previous prime is 39240907. The next prime is 39240961. The reversal of 39240937 is 73904293.

39240937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29637136 + 9603801 = 5444^2 + 3099^2 .

It is a cyclic number.

It is not a de Polignac number, because 39240937 - 2¹¹ = 39238889 is a prime.

It is a super-2 number, since 2×39240937² = 3079702273275938, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 39240896 and 39240905.

It is not a weakly prime, because it can be changed into another prime (39240907) 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 as a sum of consecutive naturals, namely, 19620468 + 19620469.

It is an arithmetic number, because the mean of its divisors is an integer number (19620469).

Almost surely, 2^39240937 is an apocalyptic number.

It is an amenable number.

39240937 is a deficient number, since it is larger than the sum of its proper divisors (1).

39240937 is an equidigital number, since it uses as much as digits as its factorization.

39240937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 39240937 is about 6264.2586951690. The cubic root of 39240937 is about 339.8180600976.

The spelling of 39240937 in words is "thirty-nine million, two hundred forty thousand, nine hundred thirty-seven".