39147329 has 12 divisors (see below), whose sum is σ = 43384176. Its totient is φ = 35289072.

The previous prime is 39147323. The next prime is 39147343. The reversal of 39147329 is 92374193.

It is a de Polignac number, because none of the positive numbers 2^k-39147329 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39147292 and 39147301.

It is not an unprimeable number, because it can be changed into a prime (39147323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4574 + ... + 9960.

It is an arithmetic number, because the mean of its divisors is an integer number (3615348).

Almost surely, 2^39147329 is an apocalyptic number.

It is an amenable number.

39147329 is a deficient number, since it is larger than the sum of its proper divisors (4236847).

39147329 is a wasteful number, since it uses less digits than its factorization.

39147329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456 (or 5443 counting only the distinct ones).

The product of its digits is 40824, while the sum is 38.

The square root of 39147329 is about 6256.7826396639. The cubic root of 39147329 is about 339.5476365838.

The spelling of 39147329 in words is "thirty-nine million, one hundred forty-seven thousand, three hundred twenty-nine".