98961971 has 8 divisors (see below), whose sum is σ = 101138544. Its totient is φ = 96796960.

The previous prime is 98961959. The next prime is 98961977. The reversal of 98961971 is 17916989.

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

It is a cyclic number.

It is not a de Polignac number, because 98961971 - 2²² = 94767667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98961977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15701 + ... + 21081.

It is an arithmetic number, because the mean of its divisors is an integer number (12642318).

Almost surely, 2^98961971 is an apocalyptic number.

98961971 is a deficient number, since it is larger than the sum of its proper divisors (2176573).

98961971 is a wasteful number, since it uses less digits than its factorization.

98961971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5781.

The product of its digits is 244944, while the sum is 50.

The square root of 98961971 is about 9947.9631583556. The cubic root of 98961971 is about 462.5472594512.

The spelling of 98961971 in words is "ninety-eight million, nine hundred sixty-one thousand, nine hundred seventy-one".