698195008 has 56 divisors (see below), whose sum is σ = 1594047104. Its totient is φ = 297216000.

The previous prime is 698194997. The next prime is 698195041. The reversal of 698195008 is 800591896.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×698195008² = 974952538392240128, which contains 22 as substring.

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, 62488 + ... + 72808.

Almost surely, 2^698195008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698195008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (797023552).

698195008 is an abundant number, since it is smaller than the sum of its proper divisors (895852096).

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

698195008 is a wasteful number, since it uses less digits than its factorization.

698195008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10491 (or 10481 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 698195008 is about 26423.3799503394. The cubic root of 698195008 is about 887.1401735928.

The spelling of 698195008 in words is "six hundred ninety-eight million, one hundred ninety-five thousand, eight".