1098485 has 16 divisors (see below), whose sum is σ = 1436160. Its totient is φ = 803520.

The previous prime is 1098481. The next prime is 1098509. The reversal of 1098485 is 5848901.

It is not a de Polignac number, because 1098485 - 2² = 1098481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098481) 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, 2759 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (89760).

2^1098485 is an apocalyptic number.

It is an amenable number.

1098485 is a deficient number, since it is larger than the sum of its proper divisors (337675).

1098485 is a wasteful number, since it uses less digits than its factorization.

1098485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 1098485 is about 1048.0863514043. The cubic root of 1098485 is about 103.1805987305.

The spelling of 1098485 in words is "one million, ninety-eight thousand, four hundred eighty-five".