289206332 has 6 divisors (see below), whose sum is σ = 506111088. Its totient is φ = 144603164.

The previous prime is 289206331. The next prime is 289206343. The reversal of 289206332 is 233602982.

It is a junction number, because it is equal to n+sod(n) for n = 289206292 and 289206301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289206331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36150788 + ... + 36150795.

It is an arithmetic number, because the mean of its divisors is an integer number (84351848).

Almost surely, 2^289206332 is an apocalyptic number.

It is an amenable number.

289206332 is a deficient number, since it is larger than the sum of its proper divisors (216904756).

289206332 is a wasteful number, since it uses less digits than its factorization.

289206332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72301587 (or 72301585 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 289206332 is about 17006.0675054523. The cubic root of 289206332 is about 661.3062071783.

The spelling of 289206332 in words is "two hundred eighty-nine million, two hundred six thousand, three hundred thirty-two".