42398095 has 4 divisors (see below), whose sum is σ = 50877720. Its totient is φ = 33918472.

The previous prime is 42398077. The next prime is 42398107. The reversal of 42398095 is 59089324.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42398095 - 2¹¹ = 42396047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239805 + ... + 4239814.

It is an arithmetic number, because the mean of its divisors is an integer number (12719430).

Almost surely, 2^42398095 is an apocalyptic number.

42398095 is a deficient number, since it is larger than the sum of its proper divisors (8479625).

42398095 is an equidigital number, since it uses as much as digits as its factorization.

42398095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8479624.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 42398095 is about 6511.3819577721. The cubic root of 42398095 is about 348.6974578587.

The spelling of 42398095 in words is "forty-two million, three hundred ninety-eight thousand, ninety-five".