98940157 has 2 divisors, whose sum is σ = 98940158. Its totient is φ = 98940156.

The previous prime is 98940151. The next prime is 98940253. The reversal of 98940157 is 75104989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75794436 + 23145721 = 8706^2 + 4811^2 .

It is a cyclic number.

It is not a de Polignac number, because 98940157 - 2¹¹ = 98938109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98940151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49470078 + 49470079.

It is an arithmetic number, because the mean of its divisors is an integer number (49470079).

Almost surely, 2^98940157 is an apocalyptic number.

It is an amenable number.

98940157 is a deficient number, since it is larger than the sum of its proper divisors (1).

98940157 is an equidigital number, since it uses as much as digits as its factorization.

98940157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 98940157 is about 9946.8666925821. The cubic root of 98940157 is about 462.5132708147.

The spelling of 98940157 in words is "ninety-eight million, nine hundred forty thousand, one hundred fifty-seven".