98993643 has 8 divisors (see below), whose sum is σ = 150847488. Its totient is φ = 56567784.

The previous prime is 98993599. The next prime is 98993651. The reversal of 98993643 is 34639989.

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

It is not a de Polignac number, because 98993643 - 2⁹ = 98993131 is a prime.

It is a super-2 number, since 2×98993643² = 19599482708822898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98993693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2356971 + ... + 2357012.

It is an arithmetic number, because the mean of its divisors is an integer number (18855936).

Almost surely, 2^98993643 is an apocalyptic number.

98993643 is a deficient number, since it is larger than the sum of its proper divisors (51853845).

98993643 is a wasteful number, since it uses less digits than its factorization.

98993643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713993.

The product of its digits is 1259712, while the sum is 51.

The square root of 98993643 is about 9949.5549146683. The cubic root of 98993643 is about 462.5965990581.

The spelling of 98993643 in words is "ninety-eight million, nine hundred ninety-three thousand, six hundred forty-three".