39270249 has 6 divisors (see below), whose sum is σ = 56723706. Its totient is φ = 26180160.

The previous prime is 39270247. The next prime is 39270293. The reversal of 39270249 is 94207293.

It can be written as a sum of positive squares in only one way, i.e., 25431849 + 13838400 = 5043^2 + 3720^2 .

It is not a de Polignac number, because 39270249 - 2¹ = 39270247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39270247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2181672 + ... + 2181689.

It is an arithmetic number, because the mean of its divisors is an integer number (9453951).

Almost surely, 2^39270249 is an apocalyptic number.

It is an amenable number.

39270249 is a deficient number, since it is larger than the sum of its proper divisors (17453457).

39270249 is a wasteful number, since it uses less digits than its factorization.

39270249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363367 (or 4363364 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 39270249 is about 6266.5978808282. The cubic root of 39270249 is about 339.9026509070.

The spelling of 39270249 in words is "thirty-nine million, two hundred seventy thousand, two hundred forty-nine".