189303842 has 32 divisors (see below), whose sum is σ = 353119872. Its totient is φ = 74110464.

The previous prime is 189303839. The next prime is 189303853. The reversal of 189303842 is 248303981.

It is a junction number, because it is equal to n+sod(n) for n = 189303796 and 189303805.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12293 + ... + 23015.

It is an arithmetic number, because the mean of its divisors is an integer number (11034996).

Almost surely, 2^189303842 is an apocalyptic number.

189303842 is a deficient number, since it is larger than the sum of its proper divisors (163816030).

189303842 is a wasteful number, since it uses less digits than its factorization.

189303842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 189303842 is about 13758.7732738061. The cubic root of 189303842 is about 574.1867186663.

The spelling of 189303842 in words is "one hundred eighty-nine million, three hundred three thousand, eight hundred forty-two".