1098726 has 16 divisors (see below), whose sum is σ = 2214000. Its totient is φ = 363488.

The previous prime is 1098709. The next prime is 1098731. The reversal of 1098726 is 6278901.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280 + ... + 1508.

It is an arithmetic number, because the mean of its divisors is an integer number (138375).

2^1098726 is an apocalyptic number.

1098726 is an abundant number, since it is smaller than the sum of its proper divisors (1115274).

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

1098726 is a wasteful number, since it uses less digits than its factorization.

1098726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1098726 is about 1048.2013165418. The cubic root of 1098726 is about 103.1881438816.

The spelling of 1098726 in words is "one million, ninety-eight thousand, seven hundred twenty-six".