684113210 has 16 divisors (see below), whose sum is σ = 1343349792. Its totient is φ = 248768400.

The previous prime is 684113207. The next prime is 684113251. The reversal of 684113210 is 12311486.

It is a self number, because there is not a number n which added to its sum of digits gives 684113210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3109496 + ... + 3109715.

It is an arithmetic number, because the mean of its divisors is an integer number (83959362).

Almost surely, 2^684113210 is an apocalyptic number.

684113210 is a deficient number, since it is larger than the sum of its proper divisors (659236582).

684113210 is a wasteful number, since it uses less digits than its factorization.

684113210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219229.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 684113210 is about 26155.5579179646. The cubic root of 684113210 is about 881.1354188669.

Adding to 684113210 its reverse (12311486), we get a palindrome (696424696).

The spelling of 684113210 in words is "six hundred eighty-four million, one hundred thirteen thousand, two hundred ten".