686132030 has 8 divisors (see below), whose sum is σ = 1235037672. Its totient is φ = 274452808.

The previous prime is 686131993. The next prime is 686132039. The reversal of 686132030 is 30231686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 686131984 and 686132002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (686132039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34306592 + ... + 34306611.

It is an arithmetic number, because the mean of its divisors is an integer number (154379709).

Almost surely, 2^686132030 is an apocalyptic number.

686132030 is a deficient number, since it is larger than the sum of its proper divisors (548905642).

686132030 is a wasteful number, since it uses less digits than its factorization.

686132030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68613210.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 686132030 is about 26194.1220505670. The cubic root of 686132030 is about 882.0013120371.

The spelling of 686132030 in words is "six hundred eighty-six million, one hundred thirty-two thousand, thirty".