681296298 has 16 divisors (see below), whose sum is σ = 1381259136. Its totient is φ = 223987680.

The previous prime is 681296263. The next prime is 681296299. The reversal of 681296298 is 892692186.

It is a self number, because there is not a number n which added to its sum of digits gives 681296298.

It is not an unprimeable number, because it can be changed into a prime (681296299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777298 + ... + 778173.

It is an arithmetic number, because the mean of its divisors is an integer number (86328696).

Almost surely, 2^681296298 is an apocalyptic number.

681296298 is an abundant number, since it is smaller than the sum of its proper divisors (699962838).

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

681296298 is a wasteful number, since it uses less digits than its factorization.

681296298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555549.

The product of its digits is 746496, while the sum is 51.

The square root of 681296298 is about 26101.6531660353. The cubic root of 681296298 is about 879.9243641949.

The spelling of 681296298 in words is "six hundred eighty-one million, two hundred ninety-six thousand, two hundred ninety-eight".