39034649 has 2 divisors, whose sum is σ = 39034650. Its totient is φ = 39034648.

The previous prime is 39034621. The next prime is 39034661. The reversal of 39034649 is 94643093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33120025 + 5914624 = 5755^2 + 2432^2 .

It is a cyclic number.

It is not a de Polignac number, because 39034649 - 2¹⁶ = 38969113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39034679) 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, 19517324 + 19517325.

It is an arithmetic number, because the mean of its divisors is an integer number (19517325).

Almost surely, 2^39034649 is an apocalyptic number.

It is an amenable number.

39034649 is a deficient number, since it is larger than the sum of its proper divisors (1).

39034649 is an equidigital number, since it uses as much as digits as its factorization.

39034649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 39034649 is about 6247.7715227111. The cubic root of 39034649 is about 339.2215437072.

The spelling of 39034649 in words is "thirty-nine million, thirty-four thousand, six hundred forty-nine".