98764921 has 8 divisors (see below), whose sum is σ = 103803840. Its totient is φ = 93788112.

The previous prime is 98764909. The next prime is 98764987. The reversal of 98764921 is 12946789.

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

It is not a de Polignac number, because 98764921 - 2²³ = 90376313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98764021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12250 + ... + 18643.

It is an arithmetic number, because the mean of its divisors is an integer number (12975480).

Almost surely, 2^98764921 is an apocalyptic number.

It is an amenable number.

98764921 is a deficient number, since it is larger than the sum of its proper divisors (5038919).

98764921 is a wasteful number, since it uses less digits than its factorization.

98764921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31055.

The product of its digits is 217728, while the sum is 46.

The square root of 98764921 is about 9938.0541858052. The cubic root of 98764921 is about 462.2400522195.

The spelling of 98764921 in words is "ninety-eight million, seven hundred sixty-four thousand, nine hundred twenty-one".