289009674 has 64 divisors (see below), whose sum is σ = 684564480. Its totient is φ = 90169200.

The previous prime is 289009667. The next prime is 289009681. The reversal of 289009674 is 476900982.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (289009667) and next prime (289009681).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55899 + ... + 60849.

It is an arithmetic number, because the mean of its divisors is an integer number (10696320).

Almost surely, 2^289009674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289009674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342282240).

289009674 is an abundant number, since it is smaller than the sum of its proper divisors (395554806).

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

289009674 is a wasteful number, since it uses less digits than its factorization.

289009674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 289009674 is about 17000.2845270307. The cubic root of 289009674 is about 661.1562788736.

The spelling of 289009674 in words is "two hundred eighty-nine million, nine thousand, six hundred seventy-four".