98156671 has 4 divisors (see below), whose sum is σ = 100809592. Its totient is φ = 95503752.

The previous prime is 98156647. The next prime is 98156683. The reversal of 98156671 is 17665189.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 98156671 - 2¹⁹ = 97632383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98156621) 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, 1326405 + ... + 1326478.

It is an arithmetic number, because the mean of its divisors is an integer number (25202398).

Almost surely, 2^98156671 is an apocalyptic number.

98156671 is a deficient number, since it is larger than the sum of its proper divisors (2652921).

98156671 is a wasteful number, since it uses less digits than its factorization.

98156671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652920.

The product of its digits is 90720, while the sum is 43.

The square root of 98156671 is about 9907.4048569744. The cubic root of 98156671 is about 461.2891860373.

The spelling of 98156671 in words is "ninety-eight million, one hundred fifty-six thousand, six hundred seventy-one".