698449068 has 48 divisors (see below), whose sum is σ = 1833172320. Its totient is φ = 232813440.

The previous prime is 698449009. The next prime is 698449091. The reversal of 698449068 is 860944896.

698449068 is a `hidden beast` number, since 6 + 98 + 4 + 490 + 68 = 666.

698449068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×698449068² = 975662201180137248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31173 + ... + 48668.

It is an arithmetic number, because the mean of its divisors is an integer number (38191090).

Almost surely, 2^698449068 is an apocalyptic number.

It is an amenable number.

698449068 is an abundant number, since it is smaller than the sum of its proper divisors (1134723252).

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

698449068 is an equidigital number, since it uses as much as digits as its factorization.

698449068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79866 (or 79846 counting only the distinct ones).

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

The square root of 698449068 is about 26428.1869979762. The cubic root of 698449068 is about 887.2477650715.

The spelling of 698449068 in words is "six hundred ninety-eight million, four hundred forty-nine thousand, sixty-eight".