189948704 has 36 divisors (see below), whose sum is σ = 411056982. Its totient is φ = 86338560.

The previous prime is 189948691. The next prime is 189948709. The reversal of 189948704 is 407849981.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 53993104 = 11660^2 + 7348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189948709) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20657 + ... + 28400.

Almost surely, 2^189948704 is an apocalyptic number.

It is an amenable number.

189948704 is an abundant number, since it is smaller than the sum of its proper divisors (221108278).

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

189948704 is a wasteful number, since it uses less digits than its factorization.

189948704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49089 (or 49070 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 189948704 is about 13782.1879249994. The cubic root of 189948704 is about 574.8379671985.

The spelling of 189948704 in words is "one hundred eighty-nine million, nine hundred forty-eight thousand, seven hundred four".