189603942 has 32 divisors (see below), whose sum is σ = 423308160. Its totient is φ = 56118720.

The previous prime is 189603937. The next prime is 189603959. The reversal of 189603942 is 249306981.

It is a super-3 number, since 3×189603942³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189603894 and 189603903.

It is a congruent number.

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, 30567 + ... + 36242.

It is an arithmetic number, because the mean of its divisors is an integer number (13228380).

Almost surely, 2^189603942 is an apocalyptic number.

189603942 is an abundant number, since it is smaller than the sum of its proper divisors (233704218).

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

189603942 is a wasteful number, since it uses less digits than its factorization.

189603942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66868.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 189603942 is about 13769.6747238270. The cubic root of 189603942 is about 574.4899744577.

The spelling of 189603942 in words is "one hundred eighty-nine million, six hundred three thousand, nine hundred forty-two".