42860329 has 2 divisors, whose sum is σ = 42860330. Its totient is φ = 42860328.

The previous prime is 42860317. The next prime is 42860351. The reversal of 42860329 is 92306824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39400729 + 3459600 = 6277^2 + 1860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42860329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42860294 and 42860303.

It is not a weakly prime, because it can be changed into another prime (42860359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21430164 + 21430165.

It is an arithmetic number, because the mean of its divisors is an integer number (21430165).

Almost surely, 2^42860329 is an apocalyptic number.

It is an amenable number.

42860329 is a deficient number, since it is larger than the sum of its proper divisors (1).

42860329 is an equidigital number, since it uses as much as digits as its factorization.

42860329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 42860329 is about 6546.7800482375. The cubic root of 42860329 is about 349.9600743573.

The spelling of 42860329 in words is "forty-two million, eight hundred sixty thousand, three hundred twenty-nine".