39874529 has 2 divisors, whose sum is σ = 39874530. Its totient is φ = 39874528.

The previous prime is 39874519. The next prime is 39874561. The reversal of 39874529 is 92547893.

It is a happy number.

39874529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34492129 + 5382400 = 5873^2 + 2320^2 .

It is a cyclic number.

It is not a de Polignac number, because 39874529 - 2⁸ = 39874273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39874519) 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, 19937264 + 19937265.

It is an arithmetic number, because the mean of its divisors is an integer number (19937265).

Almost surely, 2^39874529 is an apocalyptic number.

It is an amenable number.

39874529 is a deficient number, since it is larger than the sum of its proper divisors (1).

39874529 is an equidigital number, since it uses as much as digits as its factorization.

39874529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 47.

The square root of 39874529 is about 6314.6281759103. The cubic root of 39874529 is about 341.6372274721.

The spelling of 39874529 in words is "thirty-nine million, eight hundred seventy-four thousand, five hundred twenty-nine".