8689734 has 64 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 2691360.

The previous prime is 8689729. The next prime is 8689753. The reversal of 8689734 is 4379868.

It is a happy number.

It is a super-2 number, since 2×8689734² = 151022953981512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8689734.

It is a congruent number.

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, 48457 + ... + 48635.

It is an arithmetic number, because the mean of its divisors is an integer number (324000).

Almost surely, 2^8689734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8689734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).

8689734 is an abundant number, since it is smaller than the sum of its proper divisors (12046266).

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

8689734 is a wasteful number, since it uses less digits than its factorization.

8689734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 244 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8689734 is about 2947.8354770916. The cubic root of 8689734 is about 205.5900825156.

The spelling of 8689734 in words is "eight million, six hundred eighty-nine thousand, seven hundred thirty-four".