689582376 has 128 divisors (see below), whose sum is σ = 2205792000. Its totient is φ = 195526656.

The previous prime is 689582363. The next prime is 689582437. The reversal of 689582376 is 673285986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 205480 + ... + 208808.

It is an arithmetic number, because the mean of its divisors is an integer number (17232750).

Almost surely, 2^689582376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 689582376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1102896000).

689582376 is an abundant number, since it is smaller than the sum of its proper divisors (1516209624).

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

689582376 is a wasteful number, since it uses less digits than its factorization.

689582376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488 (or 3478 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 689582376 is about 26259.9005329419. The cubic root of 689582376 is about 883.4772781045.

The spelling of 689582376 in words is "six hundred eighty-nine million, five hundred eighty-two thousand, three hundred seventy-six".