1685053248 has 56 divisors (see below), whose sum is σ = 4477146240. Its totient is φ = 559319040.

The previous prime is 1685053231. The next prime is 1685053261. The reversal of 1685053248 is 8423505861.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 27528 + ... + 64248.

It is an arithmetic number, because the mean of its divisors is an integer number (79949040).

Almost surely, 2^1685053248 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 1685053248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2238573120).

1685053248 is an abundant number, since it is smaller than the sum of its proper divisors (2792092992).

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

1685053248 is a wasteful number, since it uses less digits than its factorization.

1685053248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36975 (or 36965 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 1685053248 is about 41049.4000930586. The cubic root of 1685053248 is about 1189.9751066986.

The spelling of 1685053248 in words is "one billion, six hundred eighty-five million, fifty-three thousand, two hundred forty-eight".