1098546 has 8 divisors (see below), whose sum is σ = 2197104. Its totient is φ = 366180.

The previous prime is 1098541. The next prime is 1098593. The reversal of 1098546 is 6458901.

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

1098546 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1098541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91540 + ... + 91551.

It is an arithmetic number, because the mean of its divisors is an integer number (274638).

2^1098546 is an apocalyptic number.

1098546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1098546 is a wasteful number, since it uses less digits than its factorization.

1098546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183096.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1098546 is about 1048.1154516560. The cubic root of 1098546 is about 103.1825086034.

The spelling of 1098546 in words is "one million, ninety-eight thousand, five hundred forty-six".