698408860 has 12 divisors (see below), whose sum is σ = 1466658648. Its totient is φ = 279363536.

The previous prime is 698408849. The next prime is 698408903. The reversal of 698408860 is 68804896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17460202 + ... + 17460241.

It is an arithmetic number, because the mean of its divisors is an integer number (122221554).

Almost surely, 2^698408860 is an apocalyptic number.

It is an amenable number.

698408860 is an abundant number, since it is smaller than the sum of its proper divisors (768249788).

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

698408860 is a wasteful number, since it uses less digits than its factorization.

698408860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34920452 (or 34920450 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The square root of 698408860 is about 26427.4262840709. The cubic root of 698408860 is about 887.2307391854.

The spelling of 698408860 in words is "six hundred ninety-eight million, four hundred eight thousand, eight hundred sixty".