1098416 has 30 divisors (see below), whose sum is σ = 2351412. Its totient is φ = 492960.

The previous prime is 1098401. The next prime is 1098439. The reversal of 1098416 is 6148901.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 13865 + ... + 13943.

2^1098416 is an apocalyptic number.

1098416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1098416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1175706).

1098416 is an abundant number, since it is smaller than the sum of its proper divisors (1252996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1098416 is an equidigital number, since it uses as much as digits as its factorization.

1098416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1098416 is about 1048.0534337523. The cubic root of 1098416 is about 103.1784382973.

The spelling of 1098416 in words is "one million, ninety-eight thousand, four hundred sixteen".