42394097 has 4 divisors (see below), whose sum is σ = 42769380. Its totient is φ = 42018816.

The previous prime is 42394091. The next prime is 42394103. The reversal of 42394097 is 79049324.

42394097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (42394091) and next prime (42394103).

It can be written as a sum of positive squares in 2 ways, for example, as 22287841 + 20106256 = 4721^2 + 4484^2 .

It is a cyclic number.

It is not a de Polignac number, because 42394097 - 2¹⁰ = 42393073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42394097.

It is not an unprimeable number, because it can be changed into a prime (42394091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187472 + ... + 187697.

It is an arithmetic number, because the mean of its divisors is an integer number (10692345).

Almost surely, 2^42394097 is an apocalyptic number.

It is an amenable number.

42394097 is a deficient number, since it is larger than the sum of its proper divisors (375283).

42394097 is a wasteful number, since it uses less digits than its factorization.

42394097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375282.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 42394097 is about 6511.0749496531. The cubic root of 42394097 is about 348.6864971756.

The spelling of 42394097 in words is "forty-two million, three hundred ninety-four thousand, ninety-seven".