98649813 has 8 divisors (see below), whose sum is σ = 134741376. Its totient is φ = 64162400.

The previous prime is 98649797. The next prime is 98649823. The reversal of 98649813 is 31894689.

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

It is a cyclic number.

It is not a de Polignac number, because 98649813 - 2⁴ = 98649797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98649823) 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, 400893 + ... + 401138.

It is an arithmetic number, because the mean of its divisors is an integer number (16842672).

Almost surely, 2^98649813 is an apocalyptic number.

It is an amenable number.

98649813 is a deficient number, since it is larger than the sum of its proper divisors (36091563).

98649813 is a wasteful number, since it uses less digits than its factorization.

98649813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802075.

The product of its digits is 373248, while the sum is 48.

The square root of 98649813 is about 9932.2612229039. The cubic root of 98649813 is about 462.0604060744.

The spelling of 98649813 in words is "ninety-eight million, six hundred forty-nine thousand, eight hundred thirteen".