1098356 has 12 divisors (see below), whose sum is σ = 2196768. Its totient is φ = 470712.

The previous prime is 1098341. The next prime is 1098373. The reversal of 1098356 is 6538901.

1098356 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

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, 19586 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (183064).

2^1098356 is an apocalyptic number.

It is an amenable number.

1098356 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.

1098356 is a wasteful number, since it uses less digits than its factorization.

1098356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39238 (or 39236 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 1098356 is about 1048.0248088667. The cubic root of 1098356 is about 103.1765595862.

The spelling of 1098356 in words is "one million, ninety-eight thousand, three hundred fifty-six".