289146632 has 16 divisors (see below), whose sum is σ = 553685760. Its totient is φ = 141497104.

The previous prime is 289146631. The next prime is 289146643. The reversal of 289146632 is 236641982.

It is a self number, because there is not a number n which added to its sum of digits gives 289146632.

It is not an unprimeable number, because it can be changed into a prime (289146631) 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, 384128 + ... + 384879.

It is an arithmetic number, because the mean of its divisors is an integer number (34605360).

Almost surely, 2^289146632 is an apocalyptic number.

It is an amenable number.

289146632 is a deficient number, since it is larger than the sum of its proper divisors (264539128).

289146632 is a wasteful number, since it uses less digits than its factorization.

289146632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769060 (or 769056 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 289146632 is about 17004.3121589790. The cubic root of 289146632 is about 661.2607002246.

The spelling of 289146632 in words is "two hundred eighty-nine million, one hundred forty-six thousand, six hundred thirty-two".