684842948 has 12 divisors (see below), whose sum is σ = 1237135872. Its totient is φ = 331375560.

The previous prime is 684842933. The next prime is 684842957. The reversal of 684842948 is 849248486.

It is a self number, because there is not a number n which added to its sum of digits gives 684842948.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761340 + ... + 2761587.

It is an arithmetic number, because the mean of its divisors is an integer number (103094656).

Almost surely, 2^684842948 is an apocalyptic number.

It is an amenable number.

684842948 is a deficient number, since it is larger than the sum of its proper divisors (552292924).

684842948 is a wasteful number, since it uses less digits than its factorization.

684842948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522962 (or 5522960 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 53.

The square root of 684842948 is about 26169.5041603772. The cubic root of 684842948 is about 881.4486075309.

The spelling of 684842948 in words is "six hundred eighty-four million, eight hundred forty-two thousand, nine hundred forty-eight".