698374660 has 12 divisors (see below), whose sum is σ = 1466586828. Its totient is φ = 279349856.

The previous prime is 698374657. The next prime is 698374661. The reversal of 698374660 is 66473896.

It can be written as a sum of positive squares in 2 ways, for example, as 140564736 + 557809924 = 11856^2 + 23618^2 .

It is not an unprimeable number, because it can be changed into a prime (698374661) 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, 17459347 + ... + 17459386.

It is an arithmetic number, because the mean of its divisors is an integer number (122215569).

Almost surely, 2^698374660 is an apocalyptic number.

It is an amenable number.

698374660 is an abundant number, since it is smaller than the sum of its proper divisors (768212168).

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

698374660 is a wasteful number, since it uses less digits than its factorization.

698374660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34918742 (or 34918740 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 698374660 is about 26426.7792210856. The cubic root of 698374660 is about 887.2162568441.

The spelling of 698374660 in words is "six hundred ninety-eight million, three hundred seventy-four thousand, six hundred sixty".