289717148 has 12 divisors (see below), whose sum is σ = 579434352. Its totient is φ = 124164480.

The previous prime is 289717147. The next prime is 289717151. The reversal of 289717148 is 841717982.

It is a happy number.

289717148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

289717148 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289717147) 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, 5173493 + ... + 5173548.

It is an arithmetic number, because the mean of its divisors is an integer number (48286196).

Almost surely, 2^289717148 is an apocalyptic number.

289717148 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

289717148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

289717148 is a wasteful number, since it uses less digits than its factorization.

289717148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347052 (or 10347050 counting only the distinct ones).

The product of its digits is 225792, while the sum is 47.

The square root of 289717148 is about 17021.0795192314. The cubic root of 289717148 is about 661.6953262533.

The spelling of 289717148 in words is "two hundred eighty-nine million, seven hundred seventeen thousand, one hundred forty-eight".