698784240 has 160 divisors (see below), whose sum is σ = 2700827136. Its totient is φ = 145198080.

The previous prime is 698784193. The next prime is 698784253. The reversal of 698784240 is 42487896.

698784240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 698784240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 427 + ... + 37386.

Almost surely, 2^698784240 is an apocalyptic number.

698784240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698784240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350413568).

698784240 is an abundant number, since it is smaller than the sum of its proper divisors (2002042896).

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

698784240 is a wasteful number, since it uses less digits than its factorization.

698784240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37847 (or 37841 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 698784240 is about 26434.5274215372. The cubic root of 698784240 is about 887.3896666384.

The spelling of 698784240 in words is "six hundred ninety-eight million, seven hundred eighty-four thousand, two hundred forty".