683249400 has 144 divisors (see below), whose sum is σ = 2356824600. Its totient is φ = 177258240.

The previous prime is 683249389. The next prime is 683249407. The reversal of 683249400 is 4942386.

It is a happy number.

683249400 is a `hidden beast` number, since 6 + 8 + 3 + 249 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683249407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 61471 + ... + 71729.

Almost surely, 2^683249400 is an apocalyptic number.

683249400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683249400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1178412300).

683249400 is an abundant number, since it is smaller than the sum of its proper divisors (1673575200).

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

683249400 is a wasteful number, since it uses less digits than its factorization.

683249400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318 (or 10306 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 683249400 is about 26139.0397681323. The cubic root of 683249400 is about 880.7644012469.

The spelling of 683249400 in words is "six hundred eighty-three million, two hundred forty-nine thousand, four hundred".