289383481 has 8 divisors (see below), whose sum is σ = 298957824. Its totient is φ = 279824160.

The previous prime is 289383473. The next prime is 289383511. The reversal of 289383481 is 184383982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 289383481 - 2³ = 289383473 is a prime.

It is a super-2 number, since 2×289383481² = 167485598151354722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289383881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46125 + ... + 52021.

It is an arithmetic number, because the mean of its divisors is an integer number (37369728).

Almost surely, 2^289383481 is an apocalyptic number.

It is an amenable number.

289383481 is a deficient number, since it is larger than the sum of its proper divisors (9574343).

289383481 is a wasteful number, since it uses less digits than its factorization.

289383481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511.

The product of its digits is 331776, while the sum is 46.

The square root of 289383481 is about 17011.2751138767. The cubic root of 289383481 is about 661.4412040173.

The spelling of 289383481 in words is "two hundred eighty-nine million, three hundred eighty-three thousand, four hundred eighty-one".