684236960 has 96 divisors (see below), whose sum is σ = 1820496384. Its totient is φ = 240768000.

The previous prime is 684236953. The next prime is 684237007. The reversal of 684236960 is 69632486.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48290 + ... + 60830.

It is an arithmetic number, because the mean of its divisors is an integer number (18963504).

Almost surely, 2^684236960 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 684236960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910248192).

684236960 is an abundant number, since it is smaller than the sum of its proper divisors (1136259424).

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

684236960 is a wasteful number, since it uses less digits than its factorization.

684236960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12598 (or 12590 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 684236960 is about 26157.9234649848. The cubic root of 684236960 is about 881.1885455192.

The spelling of 684236960 in words is "six hundred eighty-four million, two hundred thirty-six thousand, nine hundred sixty".