98398279 has 8 divisors (see below), whose sum is σ = 112516128. Its totient is φ = 84295680.

The previous prime is 98398241. The next prime is 98398291. The reversal of 98398279 is 97289389.

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

It is not a de Polignac number, because 98398279 - 2¹³ = 98390087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98398229) 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, 19719 + ... + 24199.

It is an arithmetic number, because the mean of its divisors is an integer number (14064516).

Almost surely, 2^98398279 is an apocalyptic number.

98398279 is the 6274-th heptagonal number.

98398279 is a deficient number, since it is larger than the sum of its proper divisors (14117849).

98398279 is a wasteful number, since it uses less digits than its factorization.

98398279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7625.

The product of its digits is 1959552, while the sum is 55.

The square root of 98398279 is about 9919.5906669580. The cubic root of 98398279 is about 461.6673564237.

The spelling of 98398279 in words is "ninety-eight million, three hundred ninety-eight thousand, two hundred seventy-nine".