289690254 has 60 divisors (see below), whose sum is σ = 732338256. Its totient is φ = 82756296.

The previous prime is 289690249. The next prime is 289690259. The reversal of 289690254 is 452096982.

It is an interprime number because it is at equal distance from previous prime (289690249) and next prime (289690259).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289690259) by changing a digit.

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 29 ways as a sum of consecutive naturals, for example, 39867 + ... + 46569.

Almost surely, 2^289690254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289690254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366169128).

289690254 is an abundant number, since it is smaller than the sum of its proper divisors (442648002).

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

289690254 is an equidigital number, since it uses as much as digits as its factorization.

289690254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6739 (or 6715 counting only the distinct ones).

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

The square root of 289690254 is about 17020.2894804994. The cubic root of 289690254 is about 661.6748508978.

The spelling of 289690254 in words is "two hundred eighty-nine million, six hundred ninety thousand, two hundred fifty-four".