698496840 has 48 divisors (see below), whose sum is σ = 2270115900. Its totient is φ = 186265728.

The previous prime is 698496817. The next prime is 698496853. The reversal of 698496840 is 48694896.

It can be written as a sum of positive squares in 2 ways, for example, as 587868516 + 110628324 = 24246^2 + 10518^2 .

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 11 ways as a sum of consecutive naturals, for example, 969775 + ... + 970494.

Almost surely, 2^698496840 is an apocalyptic number.

698496840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

698496840 is an abundant number, since it is smaller than the sum of its proper divisors (1571619060).

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

698496840 is a wasteful number, since it uses less digits than its factorization.

698496840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940286 (or 1940279 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 698496840 is about 26429.0907902637. The cubic root of 698496840 is about 887.2679930479.

The spelling of 698496840 in words is "six hundred ninety-eight million, four hundred ninety-six thousand, eight hundred forty".