684453050 has 12 divisors (see below), whose sum is σ = 1273082766. Its totient is φ = 273781200.

The previous prime is 684453043. The next prime is 684453089. The reversal of 684453050 is 50354486.

It can be written as a sum of positive squares in 3 ways, for example, as 451860049 + 232593001 = 21257^2 + 15251^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 684453050.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6844481 + ... + 6844580.

Almost surely, 2^684453050 is an apocalyptic number.

684453050 is a deficient number, since it is larger than the sum of its proper divisors (588629716).

684453050 is a wasteful number, since it uses less digits than its factorization.

684453050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13689073 (or 13689068 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 684453050 is about 26162.0536273436. The cubic root of 684453050 is about 881.2812989571.

The spelling of 684453050 in words is "six hundred eighty-four million, four hundred fifty-three thousand, fifty".