42594238 has 8 divisors (see below), whose sum is σ = 67254120. Its totient is φ = 20176200.

The previous prime is 42594191. The next prime is 42594241. The reversal of 42594238 is 83249524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42594238² = 3628538221601288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42594197 and 42594206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560413 + ... + 560488.

It is an arithmetic number, because the mean of its divisors is an integer number (8406765).

Almost surely, 2^42594238 is an apocalyptic number.

42594238 is a deficient number, since it is larger than the sum of its proper divisors (24659882).

42594238 is a wasteful number, since it uses less digits than its factorization.

42594238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120922.

The product of its digits is 69120, while the sum is 37.

The square root of 42594238 is about 6526.4261276751. The cubic root of 42594238 is about 349.2343480675.

The spelling of 42594238 in words is "forty-two million, five hundred ninety-four thousand, two hundred thirty-eight".