98228409 has 4 divisors (see below), whose sum is σ = 130971216. Its totient is φ = 65485604.

The previous prime is 98228407. The next prime is 98228411. The reversal of 98228409 is 90482289.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (98228407) and next prime (98228411).

It is a cyclic number.

It is not a de Polignac number, because 98228409 - 2¹ = 98228407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98228407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16371399 + ... + 16371404.

It is an arithmetic number, because the mean of its divisors is an integer number (32742804).

Almost surely, 2^98228409 is an apocalyptic number.

It is an amenable number.

98228409 is a deficient number, since it is larger than the sum of its proper divisors (32742807).

98228409 is a wasteful number, since it uses less digits than its factorization.

98228409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32742806.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 98228409 is about 9911.0246190795. The cubic root of 98228409 is about 461.4015367137.

The spelling of 98228409 in words is "ninety-eight million, two hundred twenty-eight thousand, four hundred nine".