98018421 has 8 divisors (see below), whose sum is σ = 130742304. Its totient is φ = 65320080.

The previous prime is 98018407. The next prime is 98018423. The reversal of 98018421 is 12481089.

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

It is not a de Polignac number, because 98018421 - 2⁶ = 98018357 is a prime.

It is a super-2 number, since 2×98018421² = 19215221710666482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98018423) 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, 6010 + ... + 15236.

It is an arithmetic number, because the mean of its divisors is an integer number (16342788).

Almost surely, 2^98018421 is an apocalyptic number.

It is an amenable number.

98018421 is a deficient number, since it is larger than the sum of its proper divisors (32723883).

98018421 is a wasteful number, since it uses less digits than its factorization.

98018421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12771.

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 98018421 is about 9900.4252938952. The cubic root of 98018421 is about 461.0725147590.

The spelling of 98018421 in words is "ninety-eight million, eighteen thousand, four hundred twenty-one".