684006484 has 60 divisors (see below), whose sum is σ = 1418605664. Its totient is φ = 288498672.

The previous prime is 684006451. The next prime is 684006487. The reversal of 684006484 is 484600486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (684006487) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 642937 + ... + 643999.

Almost surely, 2^684006484 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 684006484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709302832).

684006484 is an abundant number, since it is smaller than the sum of its proper divisors (734599180).

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

684006484 is a wasteful number, since it uses less digits than its factorization.

684006484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 684006484 is about 26153.5176219185. The cubic root of 684006484 is about 881.0895955792.

The spelling of 684006484 in words is "six hundred eighty-four million, six thousand, four hundred eighty-four".