98970309 has 16 divisors (see below), whose sum is σ = 146778240. Its totient is φ = 65910240.

The previous prime is 98970293. The next prime is 98970329. The reversal of 98970309 is 90307989.

It is a happy number.

It is not a de Polignac number, because 98970309 - 2⁴ = 98970293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98970329) 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, 42249 + ... + 44529.

It is an arithmetic number, because the mean of its divisors is an integer number (9173640).

Almost surely, 2^98970309 is an apocalyptic number.

It is an amenable number.

98970309 is a deficient number, since it is larger than the sum of its proper divisors (47807931).

98970309 is a wasteful number, since it uses less digits than its factorization.

98970309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3891 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 98970309 is about 9948.3822302925. The cubic root of 98970309 is about 462.5602496625.

The spelling of 98970309 in words is "ninety-eight million, nine hundred seventy thousand, three hundred nine".