898388747 has 2 divisors, whose sum is σ = 898388748. Its totient is φ = 898388746.

The previous prime is 898388741. The next prime is 898388779. The reversal of 898388747 is 747883898.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 898388747 - 2⁴ = 898388731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 898388747.

It is not a weakly prime, because it can be changed into another prime (898388741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449194373 + 449194374.

It is an arithmetic number, because the mean of its divisors is an integer number (449194374).

Almost surely, 2^898388747 is an apocalyptic number.

898388747 is a deficient number, since it is larger than the sum of its proper divisors (1).

898388747 is an equidigital number, since it uses as much as digits as its factorization.

898388747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21676032, while the sum is 62.

The square root of 898388747 is about 29973.1337534132. The cubic root of 898388747 is about 964.9128746276.

The spelling of 898388747 in words is "eight hundred ninety-eight million, three hundred eighty-eight thousand, seven hundred forty-seven".