684192348 has 144 divisors (see below), whose sum is σ = 2053868544. Its totient is φ = 187989120.

The previous prime is 684192329. The next prime is 684192359. The reversal of 684192348 is 843291486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 722011 + ... + 722957.

It is an arithmetic number, because the mean of its divisors is an integer number (14262976).

Almost surely, 2^684192348 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 684192348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026934272).

684192348 is an abundant number, since it is smaller than the sum of its proper divisors (1369676196).

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

684192348 is a wasteful number, since it uses less digits than its factorization.

684192348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072 (or 1067 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 684192348 is about 26157.0707075544. The cubic root of 684192348 is about 881.1693940458.

The spelling of 684192348 in words is "six hundred eighty-four million, one hundred ninety-two thousand, three hundred forty-eight".