289490672 has 20 divisors (see below), whose sum is σ = 572823456. Its totient is φ = 141665280.

The previous prime is 289490657. The next prime is 289490737. The reversal of 289490672 is 276094982.

It is a super-3 number, since 3×289490672³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191729 + ... + 193232.

Almost surely, 2^289490672 is an apocalyptic number.

It is an amenable number.

289490672 is a deficient number, since it is larger than the sum of its proper divisors (283332784).

289490672 is a wasteful number, since it uses less digits than its factorization.

289490672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385016 (or 385010 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 289490672 is about 17014.4254090463. The cubic root of 289490672 is about 661.5228624354.

The spelling of 289490672 in words is "two hundred eighty-nine million, four hundred ninety thousand, six hundred seventy-two".