686469092 has 12 divisors (see below), whose sum is σ = 1242745980. Its totient is φ = 331398816.

The previous prime is 686469083. The next prime is 686469101. The reversal of 686469092 is 290964686.

It is an interprime number because it is at equal distance from previous prime (686469083) and next prime (686469101).

It can be written as a sum of positive squares in 2 ways, for example, as 467251456 + 219217636 = 21616^2 + 14806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 686469092.

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 3 ways as a sum of consecutive naturals, for example, 2958803 + ... + 2959034.

It is an arithmetic number, because the mean of its divisors is an integer number (103562165).

Almost surely, 2^686469092 is an apocalyptic number.

It is an amenable number.

686469092 is a deficient number, since it is larger than the sum of its proper divisors (556276888).

686469092 is a wasteful number, since it uses less digits than its factorization.

686469092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917870 (or 5917868 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 686469092 is about 26200.5551849574. Note that the first 3 decimals coincide. The cubic root of 686469092 is about 882.1457159543.

The spelling of 686469092 in words is "six hundred eighty-six million, four hundred sixty-nine thousand, ninety-two".