687348382 has 12 divisors (see below), whose sum is σ = 1199352960. Its totient is φ = 294577836.

The previous prime is 687348379. The next prime is 687348383. The reversal of 687348382 is 283843786.

687348382 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687348383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3506782 + ... + 3506977.

It is an arithmetic number, because the mean of its divisors is an integer number (99946080).

Almost surely, 2^687348382 is an apocalyptic number.

687348382 is a deficient number, since it is larger than the sum of its proper divisors (512004578).

687348382 is a wasteful number, since it uses less digits than its factorization.

687348382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013775 (or 7013768 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 49.

The square root of 687348382 is about 26217.3298030139. The cubic root of 687348382 is about 882.5221985337.

It can be divided in two parts, 6873 and 48382, that added together give a palindrome (55255).

The spelling of 687348382 in words is "six hundred eighty-seven million, three hundred forty-eight thousand, three hundred eighty-two".