98950661 has 2 divisors, whose sum is σ = 98950662. Its totient is φ = 98950660.

The previous prime is 98950633. The next prime is 98950679. The reversal of 98950661 is 16605989.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59197636 + 39753025 = 7694^2 + 6305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98950661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98950681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49475330 + 49475331.

It is an arithmetic number, because the mean of its divisors is an integer number (49475331).

Almost surely, 2^98950661 is an apocalyptic number.

It is an amenable number.

98950661 is a deficient number, since it is larger than the sum of its proper divisors (1).

98950661 is an equidigital number, since it uses as much as digits as its factorization.

98950661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 98950661 is about 9947.3946840366. The cubic root of 98950661 is about 462.5296378377.

The spelling of 98950661 in words is "ninety-eight million, nine hundred fifty thousand, six hundred sixty-one".