698464628 has 12 divisors (see below), whose sum is σ = 1223309892. Its totient is φ = 348947520.

The previous prime is 698464589. The next prime is 698464631. The reversal of 698464628 is 826464896.

698464628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 198584464 + 499880164 = 14092^2 + 22358^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 698464628.

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, 65633 + ... + 75528.

It is an arithmetic number, because the mean of its divisors is an integer number (101942491).

Almost surely, 2^698464628 is an apocalyptic number.

It is an amenable number.

698464628 is a deficient number, since it is larger than the sum of its proper divisors (524845264).

698464628 is a wasteful number, since it uses less digits than its factorization.

698464628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142402 (or 142400 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 53.

The square root of 698464628 is about 26428.4813789972. The cubic root of 698464628 is about 887.2543537040.

The spelling of 698464628 in words is "six hundred ninety-eight million, four hundred sixty-four thousand, six hundred twenty-eight".