18602942 has 4 divisors (see below), whose sum is σ = 27904416. Its totient is φ = 9301470.

The previous prime is 18602939. The next prime is 18602959. The reversal of 18602942 is 24920681.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24920681 = 113 ⋅220537.

It is a junction number, because it is equal to n+sod(n) for n = 18602899 and 18602908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4650734 + ... + 4650737.

It is an arithmetic number, because the mean of its divisors is an integer number (6976104).

Almost surely, 2^18602942 is an apocalyptic number.

18602942 is a deficient number, since it is larger than the sum of its proper divisors (9301474).

18602942 is an equidigital number, since it uses as much as digits as its factorization.

18602942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9301473.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 18602942 is about 4313.1127970411. The cubic root of 18602942 is about 264.9682743555.

The spelling of 18602942 in words is "eighteen million, six hundred two thousand, nine hundred forty-two".