683617240 has 64 divisors (see below), whose sum is σ = 1569274560. Its totient is φ = 267947520.

The previous prime is 683617219. The next prime is 683617241. The reversal of 683617240 is 42716386.

It is a self number, because there is not a number n which added to its sum of digits gives 683617240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683617241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1227042 + ... + 1227598.

It is an arithmetic number, because the mean of its divisors is an integer number (24519915).

Almost surely, 2^683617240 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 683617240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784637280).

683617240 is an abundant number, since it is smaller than the sum of its proper divisors (885657320).

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

683617240 is a wasteful number, since it uses less digits than its factorization.

683617240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 683617240 is about 26146.0750400514. The cubic root of 683617240 is about 880.9224315135.

The spelling of 683617240 in words is "six hundred eighty-three million, six hundred seventeen thousand, two hundred forty".