698428147 has 2 divisors, whose sum is σ = 698428148. Its totient is φ = 698428146.

The previous prime is 698428127. The next prime is 698428183. The reversal of 698428147 is 741824896.

It is a happy number.

698428147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-698428147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 698428147.

It is not a weakly prime, because it can be changed into another prime (698428127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349214073 + 349214074.

It is an arithmetic number, because the mean of its divisors is an integer number (349214074).

Almost surely, 2^698428147 is an apocalyptic number.

698428147 is a deficient number, since it is larger than the sum of its proper divisors (1).

698428147 is an equidigital number, since it uses as much as digits as its factorization.

698428147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 49.

The square root of 698428147 is about 26427.7911865521. The cubic root of 698428147 is about 887.2389062552.

The spelling of 698428147 in words is "six hundred ninety-eight million, four hundred twenty-eight thousand, one hundred forty-seven".