98643047 has 4 divisors (see below), whose sum is σ = 98700336. Its totient is φ = 98585760.

The previous prime is 98643037. The next prime is 98643049. The reversal of 98643047 is 74034689.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74034689 = 677 ⋅109357.

It is a cyclic number.

It is not a de Polignac number, because 98643047 - 2⁶ = 98642983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98642995 and 98643013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98643049) 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, 25979 + ... + 29532.

It is an arithmetic number, because the mean of its divisors is an integer number (24675084).

Almost surely, 2^98643047 is an apocalyptic number.

98643047 is a deficient number, since it is larger than the sum of its proper divisors (57289).

98643047 is a wasteful number, since it uses less digits than its factorization.

98643047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57288.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 98643047 is about 9931.9206098317. The cubic root of 98643047 is about 462.0498422017.

The spelling of 98643047 in words is "ninety-eight million, six hundred forty-three thousand, forty-seven".