1689346304 has 36 divisors (see below), whose sum is σ = 3570461244. Its totient is φ = 794984448.

The previous prime is 1689346273. The next prime is 1689346339. The reversal of 1689346304 is 4036439861.

It can be written as a sum of positive squares in 2 ways, for example, as 597704704 + 1091641600 = 24448^2 + 33040^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

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, 189737 + ... + 198440.

It is an arithmetic number, because the mean of its divisors is an integer number (99179479).

Almost surely, 2^1689346304 is an apocalyptic number.

It is an amenable number.

1689346304 is an abundant number, since it is smaller than the sum of its proper divisors (1881114940).

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

1689346304 is an equidigital number, since it uses as much as digits as its factorization.

1689346304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388210 (or 388196 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 1689346304 is about 41101.6581660643. The cubic root of 1689346304 is about 1190.9848270033.

The spelling of 1689346304 in words is "one billion, six hundred eighty-nine million, three hundred forty-six thousand, three hundred four".