686051337 has 16 divisors (see below), whose sum is σ = 1010655360. Its totient is φ = 411747072.

The previous prime is 686051329. The next prime is 686051381. The reversal of 686051337 is 733150686.

It is not a de Polignac number, because 686051337 - 2³ = 686051329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 686051295 and 686051304.

It is not an unprimeable number, because it can be changed into a prime (686052337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291262 + ... + 293607.

It is an arithmetic number, because the mean of its divisors is an integer number (63165960).

Almost surely, 2^686051337 is an apocalyptic number.

It is an amenable number.

686051337 is a deficient number, since it is larger than the sum of its proper divisors (324604023).

686051337 is a wasteful number, since it uses less digits than its factorization.

686051337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584912.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 686051337 is about 26192.5817169671. The cubic root of 686051337 is about 881.9667345705.

The spelling of 686051337 in words is "six hundred eighty-six million, fifty-one thousand, three hundred thirty-seven".