698366400 has 252 divisors, whose sum is σ = 2386672392. Its totient is φ = 178769920.

The previous prime is 698366377. The next prime is 698366401. The reversal of 698366400 is 4663896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698366401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4036714 + ... + 4036886.

Almost surely, 2^698366400 is an apocalyptic number.

698366400 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 698366400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193336196).

698366400 is an abundant number, since it is smaller than the sum of its proper divisors (1688305992).

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

698366400 is a wasteful number, since it uses less digits than its factorization.

698366400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 698366400 is about 26426.6229397553. The cubic root of 698366400 is about 887.2127589913.

The spelling of 698366400 in words is "six hundred ninety-eight million, three hundred sixty-six thousand, four hundred".