42638092 has 12 divisors (see below), whose sum is σ = 85276240. Its totient is φ = 18273456.

The previous prime is 42638081. The next prime is 42638143. The reversal of 42638092 is 29083624.

42638092 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761367 + ... + 761422.

Almost surely, 2^42638092 is an apocalyptic number.

It is an amenable number.

42638092 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42638092 is a wasteful number, since it uses less digits than its factorization.

42638092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522800 (or 1522798 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 42638092 is about 6529.7849888032. The cubic root of 42638092 is about 349.3541613782.

The spelling of 42638092 in words is "forty-two million, six hundred thirty-eight thousand, ninety-two".