1098361 has 8 divisors (see below), whose sum is σ = 1237248. Its totient is φ = 966000.

The previous prime is 1098341. The next prime is 1098373. The reversal of 1098361 is 1638901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1098361 - 2⁷ = 1098233 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270 + ... + 1951.

It is an arithmetic number, because the mean of its divisors is an integer number (154656).

2^1098361 is an apocalyptic number.

1098361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1098361 is a deficient number, since it is larger than the sum of its proper divisors (138887).

1098361 is a wasteful number, since it uses less digits than its factorization.

1098361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1098361 is about 1048.0271943037. The cubic root of 1098361 is about 103.1767161481.

The spelling of 1098361 in words is "one million, ninety-eight thousand, three hundred sixty-one".