698490320 has 40 divisors (see below), whose sum is σ = 1771627680. Its totient is φ = 253996160.

The previous prime is 698490319. The next prime is 698490337. The reversal of 698490320 is 23094896.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395990 + ... + 397749.

It is an arithmetic number, because the mean of its divisors is an integer number (44290692).

Almost surely, 2^698490320 is an apocalyptic number.

It is an amenable number.

698490320 is an abundant number, since it is smaller than the sum of its proper divisors (1073137360).

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

698490320 is a wasteful number, since it uses less digits than its factorization.

698490320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793763 (or 793757 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 698490320 is about 26428.9674410485. The cubic root of 698490320 is about 887.2652323553.

The spelling of 698490320 in words is "six hundred ninety-eight million, four hundred ninety thousand, three hundred twenty".