98667643 has 4 divisors (see below), whose sum is σ = 104471640. Its totient is φ = 92863648.

The previous prime is 98667629. The next prime is 98667659. The reversal of 98667643 is 34676689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34676689 = 1367 ⋅25367.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-98667643 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98667043) 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, 2901973 + ... + 2902006.

It is an arithmetic number, because the mean of its divisors is an integer number (26117910).

Almost surely, 2^98667643 is an apocalyptic number.

98667643 is a deficient number, since it is larger than the sum of its proper divisors (5803997).

98667643 is a wasteful number, since it uses less digits than its factorization.

98667643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5803996.

The product of its digits is 1306368, while the sum is 49.

The square root of 98667643 is about 9933.1587624481. The cubic root of 98667643 is about 462.0882420479.

The spelling of 98667643 in words is "ninety-eight million, six hundred sixty-seven thousand, six hundred forty-three".