42448339 has 2 divisors, whose sum is σ = 42448340. Its totient is φ = 42448338.

The previous prime is 42448327. The next prime is 42448369. The reversal of 42448339 is 93384424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42448339 - 2²¹ = 40351187 is a prime.

It is a super-2 number, since 2×42448339² = 3603722967717842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42448298 and 42448307.

It is not a weakly prime, because it can be changed into another prime (42448309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21224169 + 21224170.

It is an arithmetic number, because the mean of its divisors is an integer number (21224170).

Almost surely, 2^42448339 is an apocalyptic number.

42448339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42448339 is an equidigital number, since it uses as much as digits as its factorization.

42448339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 37.

The square root of 42448339 is about 6515.2389825700. The cubic root of 42448339 is about 348.8351451686.

The spelling of 42448339 in words is "forty-two million, four hundred forty-eight thousand, three hundred thirty-nine".