898579973 has 2 divisors, whose sum is σ = 898579974. Its totient is φ = 898579972.

The previous prime is 898579951. The next prime is 898580009. The reversal of 898579973 is 379975898.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 785008324 + 113571649 = 28018^2 + 10657^2 .

It is a cyclic number.

It is not a de Polignac number, because 898579973 - 2¹⁶ = 898514437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (898570973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449289986 + 449289987.

It is an arithmetic number, because the mean of its divisors is an integer number (449289987).

Almost surely, 2^898579973 is an apocalyptic number.

It is an amenable number.

898579973 is a deficient number, since it is larger than the sum of its proper divisors (1).

898579973 is an equidigital number, since it uses as much as digits as its factorization.

898579973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 65.

The square root of 898579973 is about 29976.3235404210. The cubic root of 898579973 is about 964.9813317552.

The spelling of 898579973 in words is "eight hundred ninety-eight million, five hundred seventy-nine thousand, nine hundred seventy-three".