42389795 has 16 divisors (see below), whose sum is σ = 58243008. Its totient is φ = 29013120.

The previous prime is 42389783. The next prime is 42389797. The reversal of 42389795 is 59798324.

It is a happy number.

It is not a de Polignac number, because 42389795 - 2¹² = 42385699 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42389797) 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 15 ways as a sum of consecutive naturals, for example, 30005 + ... + 31385.

It is an arithmetic number, because the mean of its divisors is an integer number (3640188).

Almost surely, 2^42389795 is an apocalyptic number.

42389795 is a deficient number, since it is larger than the sum of its proper divisors (15853213).

42389795 is a wasteful number, since it uses less digits than its factorization.

42389795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270.

The product of its digits is 544320, while the sum is 47.

The square root of 42389795 is about 6510.7445810752. The cubic root of 42389795 is about 348.6747022940.

The spelling of 42389795 in words is "forty-two million, three hundred eighty-nine thousand, seven hundred ninety-five".