98797209 has 16 divisors (see below), whose sum is σ = 152242560. Its totient is φ = 55820160.

The previous prime is 98797189. The next prime is 98797219. The reversal of 98797209 is 90279789.

It is a happy number.

It is not a de Polignac number, because 98797209 - 2¹⁷ = 98666137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98797219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24562 + ... + 28299.

It is an arithmetic number, because the mean of its divisors is an integer number (9515160).

Almost surely, 2^98797209 is an apocalyptic number.

It is an amenable number.

98797209 is a deficient number, since it is larger than the sum of its proper divisors (53445351).

98797209 is a wasteful number, since it uses less digits than its factorization.

98797209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52960.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 98797209 is about 9939.6785159280. The cubic root of 98797209 is about 462.2904182150.

The spelling of 98797209 in words is "ninety-eight million, seven hundred ninety-seven thousand, two hundred nine".