42994194 has 8 divisors (see below), whose sum is σ = 85988400. Its totient is φ = 14331396.

The previous prime is 42994181. The next prime is 42994201. The reversal of 42994194 is 49149924.

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

42994194 is an admirable number.

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, 3582844 + ... + 3582855.

It is an arithmetic number, because the mean of its divisors is an integer number (10748550).

Almost surely, 2^42994194 is an apocalyptic number.

42994194 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.

42994194 is a wasteful number, since it uses less digits than its factorization.

42994194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165704.

The product of its digits is 93312, while the sum is 42.

The square root of 42994194 is about 6556.9958060075. The cubic root of 42994194 is about 350.3240373219.

The spelling of 42994194 in words is "forty-two million, nine hundred ninety-four thousand, one hundred ninety-four".