98928919 has 2 divisors, whose sum is σ = 98928920. Its totient is φ = 98928918.

The previous prime is 98928913. The next prime is 98928923. The reversal of 98928919 is 91982989.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 98928919 - 2⁹ = 98928407 is a prime.

It is a super-2 number, since 2×98928919² = 19573862029017122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98928919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98928913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49464459 + 49464460.

It is an arithmetic number, because the mean of its divisors is an integer number (49464460).

Almost surely, 2^98928919 is an apocalyptic number.

98928919 is the 5743-rd hex number.

98928919 is a deficient number, since it is larger than the sum of its proper divisors (1).

98928919 is an equidigital number, since it uses as much as digits as its factorization.

98928919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 55.

The square root of 98928919 is about 9946.3017750318. The cubic root of 98928919 is about 462.4957588119.

The spelling of 98928919 in words is "ninety-eight million, nine hundred twenty-eight thousand, nine hundred nineteen".