246727989 has 6 divisors (see below), whose sum is σ = 356384886. Its totient is φ = 164485320.

The previous prime is 246727973. The next prime is 246728017. The reversal of 246727989 is 989727642.

It can be written as a sum of positive squares in only one way, i.e., 142993764 + 103734225 = 11958^2 + 10185^2 .

It is not a de Polignac number, because 246727989 - 2⁴ = 246727973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246727189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13707102 + ... + 13707119.

It is an arithmetic number, because the mean of its divisors is an integer number (59397481).

Almost surely, 2^246727989 is an apocalyptic number.

It is an amenable number.

246727989 is a deficient number, since it is larger than the sum of its proper divisors (109656897).

246727989 is a wasteful number, since it uses less digits than its factorization.

246727989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27414227 (or 27414224 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 246727989 is about 15707.5774389305. The cubic root of 246727989 is about 627.2001299439.

The spelling of 246727989 in words is "two hundred forty-six million, seven hundred twenty-seven thousand, nine hundred eighty-nine".