39446149 has 2 divisors, whose sum is σ = 39446150. Its totient is φ = 39446148.

The previous prime is 39446101. The next prime is 39446203. The reversal of 39446149 is 94164493.

39446149 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., 24930049 + 14516100 = 4993^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 39446149 - 2¹¹ = 39444101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36446149) 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, 19723074 + 19723075.

It is an arithmetic number, because the mean of its divisors is an integer number (19723075).

Almost surely, 2^39446149 is an apocalyptic number.

It is an amenable number.

39446149 is a deficient number, since it is larger than the sum of its proper divisors (1).

39446149 is an equidigital number, since it uses as much as digits as its factorization.

39446149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 40.

The square root of 39446149 is about 6280.6169282961. The cubic root of 39446149 is about 340.4093943931.

The spelling of 39446149 in words is "thirty-nine million, four hundred forty-six thousand, one hundred forty-nine".