42339249 has 12 divisors (see below), whose sum is σ = 61235200. Its totient is φ = 28189944.

The previous prime is 42339247. The next prime is 42339259. The reversal of 42339249 is 94293324.

It is not a de Polignac number, because 42339249 - 2¹ = 42339247 is a prime.

It is a super-2 number, since 2×42339249² = 3585224011768002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42339247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5712 + ... + 10830.

Almost surely, 2^42339249 is an apocalyptic number.

It is an amenable number.

42339249 is a deficient number, since it is larger than the sum of its proper divisors (18895951).

42339249 is a wasteful number, since it uses less digits than its factorization.

42339249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044 (or 6041 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 42339249 is about 6506.8616859435. The cubic root of 42339249 is about 348.5360594815.

The spelling of 42339249 in words is "forty-two million, three hundred thirty-nine thousand, two hundred forty-nine".