189791962 has 8 divisors (see below), whose sum is σ = 286501716. Its totient is φ = 94291392.

The previous prime is 189791957. The next prime is 189791963. The reversal of 189791962 is 269197981.

It can be written as a sum of positive squares in 2 ways, for example, as 185259321 + 4532641 = 13611^2 + 2129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (189791963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 301903 + ... + 302530.

Almost surely, 2^189791962 is an apocalyptic number.

189791962 is a deficient number, since it is larger than the sum of its proper divisors (96709754).

189791962 is a wasteful number, since it uses less digits than its factorization.

189791962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604592.

The product of its digits is 489888, while the sum is 52.

The square root of 189791962 is about 13776.5003538635. The cubic root of 189791962 is about 574.6798086266.

It can be divided in two parts, 1897919 and 62, that added together give a palindrome (1897981).

The spelling of 189791962 in words is "one hundred eighty-nine million, seven hundred ninety-one thousand, nine hundred sixty-two".