1685274336 has 60 divisors (see below), whose sum is σ = 4956352632. Its totient is φ = 561757248.

The previous prime is 1685274329. The next prime is 1685274341. The reversal of 1685274336 is 6334725861.

1685274336 is a `hidden beast` number, since 168 + 52 + 7 + 433 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1685274291 and 1685274300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 322500 + ... + 327683.

Almost surely, 2^1685274336 is an apocalyptic number.

1685274336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1685274336 is an abundant number, since it is smaller than the sum of its proper divisors (3271078296).

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

1685274336 is an equidigital number, since it uses as much as digits as its factorization.

1685274336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650205 (or 650188 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1685274336 is about 41052.0929551710. The cubic root of 1685274336 is about 1190.0271481225.

The spelling of 1685274336 in words is "one billion, six hundred eighty-five million, two hundred seventy-four thousand, three hundred thirty-six".