18802042 has 8 divisors (see below), whose sum is σ = 32232096. Its totient is φ = 8058012.

The previous prime is 18802033. The next prime is 18802057. The reversal of 18802042 is 24020881.

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

It is a junction number, because it is equal to n+sod(n) for n = 18801998 and 18802016.

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, 671488 + ... + 671515.

It is an arithmetic number, because the mean of its divisors is an integer number (4029012).

Almost surely, 2^18802042 is an apocalyptic number.

18802042 is a deficient number, since it is larger than the sum of its proper divisors (13430054).

18802042 is a wasteful number, since it uses less digits than its factorization.

18802042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343012.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 18802042 is about 4336.1321474328. The cubic root of 18802042 is about 265.9102058080.

The spelling of 18802042 in words is "eighteen million, eight hundred two thousand, forty-two".