98649773 has 2 divisors, whose sum is σ = 98649774. Its totient is φ = 98649772.

The previous prime is 98649769. The next prime is 98649797. The reversal of 98649773 is 37794689.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92409769 + 6240004 = 9613^2 + 2498^2 .

It is a cyclic number.

It is not a de Polignac number, because 98649773 - 2² = 98649769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98649763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49324886 + 49324887.

It is an arithmetic number, because the mean of its divisors is an integer number (49324887).

Almost surely, 2^98649773 is an apocalyptic number.

It is an amenable number.

98649773 is a deficient number, since it is larger than the sum of its proper divisors (1).

98649773 is an equidigital number, since it uses as much as digits as its factorization.

98649773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2286144, while the sum is 53.

The square root of 98649773 is about 9932.2592092635. The cubic root of 98649773 is about 462.0603436231.

The spelling of 98649773 in words is "ninety-eight million, six hundred forty-nine thousand, seven hundred seventy-three".