698798890 has 16 divisors (see below), whose sum is σ = 1262625408. Its totient is φ = 278455696.

The previous prime is 698798887. The next prime is 698798911. The reversal of 698798890 is 98897896.

698798890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130222 + ... + 135481.

It is an arithmetic number, because the mean of its divisors is an integer number (78914088).

Almost surely, 2^698798890 is an apocalyptic number.

698798890 is a deficient number, since it is larger than the sum of its proper divisors (563826518).

698798890 is a wasteful number, since it uses less digits than its factorization.

698798890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265973.

The product of its (nonzero) digits is 15676416, while the sum is 64.

The square root of 698798890 is about 26434.8045197993. The cubic root of 698798890 is about 887.3958679650.

The spelling of 698798890 in words is "six hundred ninety-eight million, seven hundred ninety-eight thousand, eight hundred ninety".