19392042 has 16 divisors (see below), whose sum is σ = 38934720. Its totient is φ = 6438912.

The previous prime is 19392041. The next prime is 19392047. The reversal of 19392042 is 24029391.

It is not an unprimeable number, because it can be changed into a prime (19392041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4567 + ... + 7722.

It is an arithmetic number, because the mean of its divisors is an integer number (2433420).

Almost surely, 2^19392042 is an apocalyptic number.

19392042 is an abundant number, since it is smaller than the sum of its proper divisors (19542678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19392042 is a wasteful number, since it uses less digits than its factorization.

19392042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 19392042 is about 4403.6396310325. The cubic root of 19392042 is about 268.6629924221.

It can be divided in two parts, 193 and 92042, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 19392042 in words is "nineteen million, three hundred ninety-two thousand, forty-two".