1098469 has 2 divisors, whose sum is σ = 1098470. Its totient is φ = 1098468.

The previous prime is 1098463. The next prime is 1098479. The reversal of 1098469 is 9648901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1077444 + 21025 = 1038^2 + 145^2 .

It is an emirp because it is prime and its reverse (9648901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1098469 - 2⁷ = 1098341 is a prime.

It is a super-2 number, since 2×1098469² = 2413268287922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549234 + 549235.

It is an arithmetic number, because the mean of its divisors is an integer number (549235).

2^1098469 is an apocalyptic number.

It is an amenable number.

1098469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098469 is an equidigital number, since it uses as much as digits as its factorization.

1098469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1098469 is about 1048.0787184177. The cubic root of 1098469 is about 103.1800977686.

The spelling of 1098469 in words is "one million, ninety-eight thousand, four hundred sixty-nine".