289292652 has 36 divisors (see below), whose sum is σ = 797747496. Its totient is φ = 87664320.

The previous prime is 289292623. The next prime is 289292657. The reversal of 289292652 is 256292982.

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 = 289292598 and 289292607.

It is not an unprimeable number, because it can be changed into a prime (289292657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364873 + ... + 365664.

Almost surely, 2^289292652 is an apocalyptic number.

289292652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

289292652 is an abundant number, since it is smaller than the sum of its proper divisors (508454844).

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

289292652 is a wasteful number, since it uses less digits than its factorization.

289292652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730558 (or 730553 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 289292652 is about 17008.6052338221. The cubic root of 289292652 is about 661.3719944347.

The spelling of 289292652 in words is "two hundred eighty-nine million, two hundred ninety-two thousand, six hundred fifty-two".