683949084 has 72 divisors (see below), whose sum is σ = 1974994560. Its totient is φ = 180378432.

The previous prime is 683949067. The next prime is 683949089. The reversal of 683949084 is 480949386.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683949089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9894 + ... + 38285.

It is an arithmetic number, because the mean of its divisors is an integer number (27430480).

Almost surely, 2^683949084 is an apocalyptic number.

It is an amenable number.

683949084 is an abundant number, since it is smaller than the sum of its proper divisors (1291045476).

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

683949084 is a wasteful number, since it uses less digits than its factorization.

683949084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48219 (or 48204 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 683949084 is about 26152.4202321697. The cubic root of 683949084 is about 881.0649486600.

The spelling of 683949084 in words is "six hundred eighty-three million, nine hundred forty-nine thousand, eighty-four".