98010721 has 8 divisors (see below), whose sum is σ = 103482080. Its totient is φ = 92570688.

The previous prime is 98010709. The next prime is 98010733. The reversal of 98010721 is 12701089.

It is an interprime number because it is at equal distance from previous prime (98010709) and next prime (98010733).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98010721 is a prime.

It is a super-2 number, since 2×98010721² = 19212202861879682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98010721.

It is not an unprimeable number, because it can be changed into a prime (98010761) 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, 1251 + ... + 14056.

It is an arithmetic number, because the mean of its divisors is an integer number (12935260).

Almost surely, 2^98010721 is an apocalyptic number.

It is an amenable number.

98010721 is a deficient number, since it is larger than the sum of its proper divisors (5471359).

98010721 is a wasteful number, since it uses less digits than its factorization.

98010721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15663.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 98010721 is about 9900.0364140744. The cubic root of 98010721 is about 461.0604410035.

The spelling of 98010721 in words is "ninety-eight million, ten thousand, seven hundred twenty-one".