42339087 has 72 divisors (see below), whose sum is σ = 77775360. Its totient is φ = 22044960.

The previous prime is 42339083. The next prime is 42339091. The reversal of 42339087 is 78093324.

It is an interprime number because it is at equal distance from previous prime (42339083) and next prime (42339091).

It is not a de Polignac number, because 42339087 - 2² = 42339083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42339083) 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 71 ways as a sum of consecutive naturals, for example, 259668 + ... + 259830.

Almost surely, 2^42339087 is an apocalyptic number.

42339087 is a deficient number, since it is larger than the sum of its proper divisors (35436273).

42339087 is a wasteful number, since it uses less digits than its factorization.

42339087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42339087 is about 6506.8492375342. The cubic root of 42339087 is about 348.5356149538.

The spelling of 42339087 in words is "forty-two million, three hundred thirty-nine thousand, eighty-seven".