1098270 has 24 divisors (see below), whose sum is σ = 2855736. Its totient is φ = 292848.

The previous prime is 1098269. The next prime is 1098287. The reversal of 1098270 is 728901.

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 11 ways as a sum of consecutive naturals, for example, 6012 + ... + 6191.

It is an arithmetic number, because the mean of its divisors is an integer number (118989).

2^1098270 is an apocalyptic number.

1098270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1098270 is an abundant number, since it is smaller than the sum of its proper divisors (1757466).

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

1098270 is a wasteful number, since it uses less digits than its factorization.

1098270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216 (or 12213 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1098270 is about 1047.9837785004. The cubic root of 1098270 is about 103.1738666476.

The spelling of 1098270 in words is "one million, ninety-eight thousand, two hundred seventy".