42686241 has 8 divisors (see below), whose sum is σ = 61293120. Its totient is φ = 26268432.

The previous prime is 42686227. The next prime is 42686243. The reversal of 42686241 is 14268624.

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

It is not a de Polignac number, because 42686241 - 2⁵ = 42686209 is a prime.

It is a super-3 number, since 3×42686241³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (42686243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547221 + ... + 547298.

It is an arithmetic number, because the mean of its divisors is an integer number (7661640).

Almost surely, 2^42686241 is an apocalyptic number.

It is an amenable number.

42686241 is a deficient number, since it is larger than the sum of its proper divisors (18606879).

42686241 is a wasteful number, since it uses less digits than its factorization.

42686241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094535.

The product of its digits is 18432, while the sum is 33.

The square root of 42686241 is about 6533.4708233832. The cubic root of 42686241 is about 349.4856144598.

The spelling of 42686241 in words is "forty-two million, six hundred eighty-six thousand, two hundred forty-one".