98945657 has 2 divisors, whose sum is σ = 98945658. Its totient is φ = 98945656.

The previous prime is 98945629. The next prime is 98945699. The reversal of 98945657 is 75654989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93238336 + 5707321 = 9656^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 98945657 - 2¹⁰ = 98944633 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 98945599 and 98945608.

It is not a weakly prime, because it can be changed into another prime (98945617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49472828 + 49472829.

It is an arithmetic number, because the mean of its divisors is an integer number (49472829).

Almost surely, 2^98945657 is an apocalyptic number.

It is an amenable number.

98945657 is a deficient number, since it is larger than the sum of its proper divisors (1).

98945657 is an equidigital number, since it uses as much as digits as its factorization.

98945657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 53.

The square root of 98945657 is about 9947.1431577112. The cubic root of 98945657 is about 462.5218408970.

It can be divided in two parts, 9894 and 5657, that added together give a palindrome (15551).

The spelling of 98945657 in words is "ninety-eight million, nine hundred forty-five thousand, six hundred fifty-seven".