18834042 has 8 divisors (see below), whose sum is σ = 37668096. Its totient is φ = 6278012.

The previous prime is 18834037. The next prime is 18834059. The reversal of 18834042 is 24043881.

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

18834042 is an admirable number.

It is a super-2 number, since 2×18834042² = 709442276115528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1569498 + ... + 1569509.

It is an arithmetic number, because the mean of its divisors is an integer number (4708512).

Almost surely, 2^18834042 is an apocalyptic number.

18834042 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.

18834042 is a wasteful number, since it uses less digits than its factorization.

18834042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139012.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 18834042 is about 4339.8205032006. The cubic root of 18834042 is about 266.0609749602.

The spelling of 18834042 in words is "eighteen million, eight hundred thirty-four thousand, forty-two".