189280948 has 6 divisors (see below), whose sum is σ = 331241666. Its totient is φ = 94640472.

The previous prime is 189280943. The next prime is 189280951. The reversal of 189280948 is 849082981.

It can be written as a sum of positive squares in only one way, i.e., 183385764 + 5895184 = 13542^2 + 2428^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189280943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23660115 + ... + 23660122.

Almost surely, 2^189280948 is an apocalyptic number.

It is an amenable number.

189280948 is a deficient number, since it is larger than the sum of its proper divisors (141960718).

189280948 is a wasteful number, since it uses less digits than its factorization.

189280948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47320241 (or 47320239 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 189280948 is about 13757.9412704082. The cubic root of 189280948 is about 574.1635707637.

The spelling of 189280948 in words is "one hundred eighty-nine million, two hundred eighty thousand, nine hundred forty-eight".