42383849 has 2 divisors, whose sum is σ = 42383850. Its totient is φ = 42383848.

The previous prime is 42383843. The next prime is 42383857. The reversal of 42383849 is 94838324.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33640000 + 8743849 = 5800^2 + 2957^2 .

It is a cyclic number.

It is not a de Polignac number, because 42383849 - 2¹⁶ = 42318313 is a prime.

It is not a weakly prime, because it can be changed into another prime (42383843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21191924 + 21191925.

It is an arithmetic number, because the mean of its divisors is an integer number (21191925).

Almost surely, 2^42383849 is an apocalyptic number.

It is an amenable number.

42383849 is a deficient number, since it is larger than the sum of its proper divisors (1).

42383849 is an equidigital number, since it uses as much as digits as its factorization.

42383849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 42383849 is about 6510.2879352606. The cubic root of 42383849 is about 348.6583987103.

The spelling of 42383849 in words is "forty-two million, three hundred eighty-three thousand, eight hundred forty-nine".