98143973 has 4 divisors (see below), whose sum is σ = 98517408. Its totient is φ = 97770540.

The previous prime is 98143961. The next prime is 98143979. The reversal of 98143973 is 37934189.

It is a happy number.

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 98143973 - 2¹⁸ = 97881829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98143979) 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, 186323 + ... + 186848.

It is an arithmetic number, because the mean of its divisors is an integer number (24629352).

Almost surely, 2^98143973 is an apocalyptic number.

It is an amenable number.

98143973 is a deficient number, since it is larger than the sum of its proper divisors (373435).

98143973 is a wasteful number, since it uses less digits than its factorization.

98143973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373434.

The product of its digits is 163296, while the sum is 44.

The square root of 98143973 is about 9906.7640024379. The cubic root of 98143973 is about 461.2692936801.

The spelling of 98143973 in words is "ninety-eight million, one hundred forty-three thousand, nine hundred seventy-three".