42268986 has 32 divisors (see below), whose sum is σ = 98017920. Its totient is φ = 13476672.

The previous prime is 42268973. The next prime is 42268999. The reversal of 42268986 is 68986224.

42268986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42268973) and next prime (42268999).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15775 + ... + 18258.

It is an arithmetic number, because the mean of its divisors is an integer number (3063060).

Almost surely, 2^42268986 is an apocalyptic number.

42268986 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42268986 is an abundant number, since it is smaller than the sum of its proper divisors (55748934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42268986 is a wasteful number, since it uses less digits than its factorization.

42268986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34067 (or 34061 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 42268986 is about 6501.4602975024. The cubic root of 42268986 is about 348.3431514114.

The spelling of 42268986 in words is "forty-two million, two hundred sixty-eight thousand, nine hundred eighty-six".