98004721 has 4 divisors (see below), whose sum is σ = 98260992. Its totient is φ = 97748452.

The previous prime is 98004713. The next prime is 98004737. The reversal of 98004721 is 12740089.

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 98004721 - 2³ = 98004713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98004761) 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, 127561 + ... + 128326.

It is an arithmetic number, because the mean of its divisors is an integer number (24565248).

Almost surely, 2^98004721 is an apocalyptic number.

It is an amenable number.

98004721 is a deficient number, since it is larger than the sum of its proper divisors (256271).

98004721 is a wasteful number, since it uses less digits than its factorization.

98004721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256270.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 98004721 is about 9899.7333802482. The cubic root of 98004721 is about 461.0510324440.

The spelling of 98004721 in words is "ninety-eight million, four thousand, seven hundred twenty-one".