1098479 has 2 divisors, whose sum is σ = 1098480. Its totient is φ = 1098478.

The previous prime is 1098469. The next prime is 1098481. The reversal of 1098479 is 9748901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1098479 - 2⁴ = 1098463 is a prime.

It is a super-2 number, since 2×1098479² = 2413312226882, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1098481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549239 + 549240.

It is an arithmetic number, because the mean of its divisors is an integer number (549240).

2^1098479 is an apocalyptic number.

1098479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098479 is an equidigital number, since it uses as much as digits as its factorization.

1098479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1098479 is about 1048.0834890408. The cubic root of 1098479 is about 103.1804108703.

It can be divided in two parts, 10 and 98479, that added together give a palindrome (98489).

The spelling of 1098479 in words is "one million, ninety-eight thousand, four hundred seventy-nine".