1098492 has 12 divisors (see below), whose sum is σ = 2563176. Its totient is φ = 366160.

The previous prime is 1098481. The next prime is 1098509. The reversal of 1098492 is 2948901.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45759 + ... + 45782.

It is an arithmetic number, because the mean of its divisors is an integer number (213598).

2^1098492 is an apocalyptic number.

1098492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1098492 is an abundant number, since it is smaller than the sum of its proper divisors (1464684).

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

1098492 is a wasteful number, since it uses less digits than its factorization.

1098492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91548 (or 91546 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1098492 is about 1048.0896908185. The cubic root of 1098492 is about 103.1808178998.

The spelling of 1098492 in words is "one million, ninety-eight thousand, four hundred ninety-two".