98440309 has 8 divisors (see below), whose sum is σ = 107936928. Its totient is φ = 89034960.

The previous prime is 98440247. The next prime is 98440333. The reversal of 98440309 is 90304489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98440309 - 2¹⁵ = 98407541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98440369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20547 + ... + 24880.

It is an arithmetic number, because the mean of its divisors is an integer number (13492116).

Almost surely, 2^98440309 is an apocalyptic number.

It is an amenable number.

98440309 is a deficient number, since it is larger than the sum of its proper divisors (9496619).

98440309 is a wasteful number, since it uses less digits than its factorization.

98440309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45635.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 98440309 is about 9921.7089757763. The cubic root of 98440309 is about 461.7330795139.

The spelling of 98440309 in words is "ninety-eight million, four hundred forty thousand, three hundred nine".