289473948 has 36 divisors (see below), whose sum is σ = 738574200. Its totient is φ = 95588256.

The previous prime is 289473941. The next prime is 289473973. The reversal of 289473948 is 849374982.

289473948 is a `hidden beast` number, since 2 + 89 + 473 + 94 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 289473894 and 289473903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289473941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33723 + ... + 41426.

It is an arithmetic number, because the mean of its divisors is an integer number (20515950).

Almost surely, 2^289473948 is an apocalyptic number.

It is an amenable number.

289473948 is an abundant number, since it is smaller than the sum of its proper divisors (449100252).

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

289473948 is a wasteful number, since it uses less digits than its factorization.

289473948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75266 (or 75261 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 289473948 is about 17013.9339366297. The cubic root of 289473948 is about 661.5101233704.

The spelling of 289473948 in words is "two hundred eighty-nine million, four hundred seventy-three thousand, nine hundred forty-eight".