683011840 has 144 divisors (see below), whose sum is σ = 1930844160. Its totient is φ = 226529280.

The previous prime is 683011837. The next prime is 683011843. The reversal of 683011840 is 48110386.

It is an interprime number because it is at equal distance from previous prime (683011837) and next prime (683011843).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683011843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276531 + ... + 278989.

It is an arithmetic number, because the mean of its divisors is an integer number (13408640).

Almost surely, 2^683011840 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 683011840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (965422080).

683011840 is an abundant number, since it is smaller than the sum of its proper divisors (1247832320).

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

683011840 is a wasteful number, since it uses less digits than its factorization.

683011840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2518 (or 2504 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 683011840 is about 26134.4952122669. The cubic root of 683011840 is about 880.6623113193.

The spelling of 683011840 in words is "six hundred eighty-three million, eleven thousand, eight hundred forty".