104998913 has 4 divisors (see below), whose sum is σ = 105022020. Its totient is φ = 104975808.

The previous prime is 104998897. The next prime is 104998951. The reversal of 104998913 is 319899401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34304449 + 70694464 = 5857^2 + 8408^2 .

It is a cyclic number.

It is not a de Polignac number, because 104998913 - 2⁴ = 104998897 is a prime.

It is a super-2 number, since 2×104998913² = 22049543462363138, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104998963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2228 + ... + 14661.

It is an arithmetic number, because the mean of its divisors is an integer number (26255505).

Almost surely, 2^104998913 is an apocalyptic number.

It is an amenable number.

104998913 is a deficient number, since it is larger than the sum of its proper divisors (23107).

104998913 is an equidigital number, since it uses as much as digits as its factorization.

104998913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23106.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 104998913 is about 10246.8977256534. The cubic root of 104998913 is about 471.7677700472.

The spelling of 104998913 in words is "one hundred four million, nine hundred ninety-eight thousand, nine hundred thirteen".