1098595 has 16 divisors (see below), whose sum is σ = 1415232. Its totient is φ = 816640.

The previous prime is 1098593. The next prime is 1098613. The reversal of 1098595 is 5958901.

It is not a de Polignac number, because 1098595 - 2¹ = 1098593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1098593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4599 + ... + 4831.

It is an arithmetic number, because the mean of its divisors is an integer number (88452).

2^1098595 is an apocalyptic number.

1098595 is a deficient number, since it is larger than the sum of its proper divisors (316637).

1098595 is a wasteful number, since it uses less digits than its factorization.

1098595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302.

The product of its (nonzero) digits is 16200, while the sum is 37.

The square root of 1098595 is about 1048.1388266828. The cubic root of 1098595 is about 103.1840427123.

The spelling of 1098595 in words is "one million, ninety-eight thousand, five hundred ninety-five".