18925342 has 16 divisors (see below), whose sum is σ = 29496240. Its totient is φ = 9096192.

The previous prime is 18925321. The next prime is 18925351. The reversal of 18925342 is 24352981.

It is a junction number, because it is equal to n+sod(n) for n = 18925298 and 18925307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15838 + ... + 16990.

It is an arithmetic number, because the mean of its divisors is an integer number (1843515).

Almost surely, 2^18925342 is an apocalyptic number.

18925342 is a deficient number, since it is larger than the sum of its proper divisors (10570898).

18925342 is a wasteful number, since it uses less digits than its factorization.

18925342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467.

The product of its digits is 17280, while the sum is 34.

The square root of 18925342 is about 4350.3266544019. The cubic root of 18925342 is about 266.4902016539.

The spelling of 18925342 in words is "eighteen million, nine hundred twenty-five thousand, three hundred forty-two".