39149384 has 8 divisors (see below), whose sum is σ = 73405110. Its totient is φ = 19574688.

The previous prime is 39149377. The next prime is 39149387. The reversal of 39149384 is 48394193.

39149384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 20052484 + 19096900 = 4478^2 + 4370^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (39149387) 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, 2446829 + ... + 2446844.

Almost surely, 2^39149384 is an apocalyptic number.

It is an amenable number.

39149384 is a deficient number, since it is larger than the sum of its proper divisors (34255726).

39149384 is a wasteful number, since it uses less digits than its factorization.

39149384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893679 (or 4893675 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 39149384 is about 6256.9468592917. The cubic root of 39149384 is about 339.5535778847.

The spelling of 39149384 in words is "thirty-nine million, one hundred forty-nine thousand, three hundred eighty-four".