698045208 has 64 divisors (see below), whose sum is σ = 1999488000. Its totient is φ = 198934272.

The previous prime is 698045207. The next prime is 698045261. The reversal of 698045208 is 802540896.

It is a super-2 number, since 2×698045208² = 974534224823526528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 698045208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698045207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63633 + ... + 73791.

It is an arithmetic number, because the mean of its divisors is an integer number (31242000).

Almost surely, 2^698045208 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 698045208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (999744000).

698045208 is an abundant number, since it is smaller than the sum of its proper divisors (1301442792).

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

698045208 is a wasteful number, since it uses less digits than its factorization.

698045208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10584 (or 10580 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 698045208 is about 26420.5451874105. The cubic root of 698045208 is about 887.0767227890.

The spelling of 698045208 in words is "six hundred ninety-eight million, forty-five thousand, two hundred eight".