1685097232 has 80 divisors (see below), whose sum is σ = 4229868160. Its totient is φ = 631535616.

The previous prime is 1685097223. The next prime is 1685097233. The reversal of 1685097232 is 2327905861.

It is not an unprimeable number, because it can be changed into a prime (1685097233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2793 + ... + 58120.

It is an arithmetic number, because the mean of its divisors is an integer number (52873352).

Almost surely, 2^1685097232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1685097232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2114934080).

1685097232 is an abundant number, since it is smaller than the sum of its proper divisors (2544770928).

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

1685097232 is a wasteful number, since it uses less digits than its factorization.

1685097232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60960 (or 60954 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 1685097232 is about 41049.9358342982. The cubic root of 1685097232 is about 1189.9854603595.

The spelling of 1685097232 in words is "one billion, six hundred eighty-five million, ninety-seven thousand, two hundred thirty-two".