39949229 has 16 divisors (see below), whose sum is σ = 44323200. Its totient is φ = 35836416.

The previous prime is 39949223. The next prime is 39949249. The reversal of 39949229 is 92294993.

39949229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 39949229 - 2⁴ = 39949213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39949223) 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 in 15 ways as a sum of consecutive naturals, for example, 48977 + ... + 49785.

It is an arithmetic number, because the mean of its divisors is an integer number (2770200).

Almost surely, 2^39949229 is an apocalyptic number.

It is an amenable number.

39949229 is a deficient number, since it is larger than the sum of its proper divisors (4373971).

39949229 is a wasteful number, since it uses less digits than its factorization.

39949229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964.

The product of its digits is 314928, while the sum is 47.

The square root of 39949229 is about 6320.5402458967. The cubic root of 39949229 is about 341.8504327581.

The spelling of 39949229 in words is "thirty-nine million, nine hundred forty-nine thousand, two hundred twenty-nine".