42108994 has 8 divisors (see below), whose sum is σ = 63754128. Its totient is φ = 20857620.

The previous prime is 42108967. The next prime is 42109003. The reversal of 42108994 is 49980124.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98172 + ... + 98599.

It is an arithmetic number, because the mean of its divisors is an integer number (7969266).

Almost surely, 2^42108994 is an apocalyptic number.

42108994 is a deficient number, since it is larger than the sum of its proper divisors (21645134).

42108994 is a wasteful number, since it uses less digits than its factorization.

42108994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196880.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 42108994 is about 6489.1443195540. The cubic root of 42108994 is about 347.9030920987.

The spelling of 42108994 in words is "forty-two million, one hundred eight thousand, nine hundred ninety-four".