2785307382 has 48 divisors (see below), whose sum is σ = 7089879888. Its totient is φ = 779106240.

The previous prime is 2785307381. The next prime is 2785307389. The reversal of 2785307382 is 2837035872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785307381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 538473 + ... + 543620.

It is an arithmetic number, because the mean of its divisors is an integer number (147705831).

Almost surely, 2^2785307382 is an apocalyptic number.

2785307382 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2785307382 is an abundant number, since it is smaller than the sum of its proper divisors (4304572506).

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

2785307382 is a wasteful number, since it uses less digits than its factorization.

2785307382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082125 (or 1082122 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2785307382 is about 52776.0114256468. The cubic root of 2785307382 is about 1406.9901057522.

The spelling of 2785307382 in words is "two billion, seven hundred eighty-five million, three hundred seven thousand, three hundred eighty-two".