98086421 has 4 divisors (see below), whose sum is σ = 102351072. Its totient is φ = 93821772.

The previous prime is 98086403. The next prime is 98086433. The reversal of 98086421 is 12468089.

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 a cyclic number.

It is not a de Polignac number, because 98086421 - 2⁶ = 98086357 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 (98086621) 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, 2132291 + ... + 2132336.

It is an arithmetic number, because the mean of its divisors is an integer number (25587768).

Almost surely, 2^98086421 is an apocalyptic number.

It is an amenable number.

98086421 is a deficient number, since it is larger than the sum of its proper divisors (4264651).

98086421 is a wasteful number, since it uses less digits than its factorization.

98086421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4264650.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 98086421 is about 9903.8588943906. The cubic root of 98086421 is about 461.1791126928.

The spelling of 98086421 in words is "ninety-eight million, eighty-six thousand, four hundred twenty-one".