42386329 has 2 divisors, whose sum is σ = 42386330. Its totient is φ = 42386328.

The previous prime is 42386317. The next prime is 42386369. The reversal of 42386329 is 92368324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38688400 + 3697929 = 6220^2 + 1923^2 .

It is a cyclic number.

It is not a de Polignac number, because 42386329 - 2¹⁵ = 42353561 is a prime.

It is equal to p_2569735 and since 42386329 and 2569735 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42386369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21193164 + 21193165.

It is an arithmetic number, because the mean of its divisors is an integer number (21193165).

Almost surely, 2^42386329 is an apocalyptic number.

It is an amenable number.

42386329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42386329 is an equidigital number, since it uses as much as digits as its factorization.

42386329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 37.

The square root of 42386329 is about 6510.4784002406. The cubic root of 42386329 is about 348.6651989104.

The spelling of 42386329 in words is "forty-two million, three hundred eighty-six thousand, three hundred twenty-nine".