42396231 has 8 divisors (see below), whose sum is σ = 58477680. Its totient is φ = 27289472.

The previous prime is 42396223. The next prime is 42396247. The reversal of 42396231 is 13269324.

42396231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42396231 - 2³ = 42396223 is a prime.

It is a super-2 number, since 2×42396231² = 3594880806010722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42396271) 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 7 ways as a sum of consecutive naturals, for example, 243570 + ... + 243743.

It is an arithmetic number, because the mean of its divisors is an integer number (7309710).

Almost surely, 2^42396231 is an apocalyptic number.

42396231 is a deficient number, since it is larger than the sum of its proper divisors (16081449).

42396231 is a wasteful number, since it uses less digits than its factorization.

42396231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487345.

The product of its digits is 7776, while the sum is 30.

The square root of 42396231 is about 6511.2388222212. The cubic root of 42396231 is about 348.6923477110.

The spelling of 42396231 in words is "forty-two million, three hundred ninety-six thousand, two hundred thirty-one".