1098237 has 24 divisors (see below), whose sum is σ = 1765632. Its totient is φ = 604800.

The previous prime is 1098233. The next prime is 1098269. The reversal of 1098237 is 7328901.

It is a happy number.

It is not a de Polignac number, because 1098237 - 2² = 1098233 is a prime.

It is a super-2 number, since 2×1098237² = 2412249016338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4437 + ... + 4677.

It is an arithmetic number, because the mean of its divisors is an integer number (73568).

2^1098237 is an apocalyptic number.

It is an amenable number.

1098237 is a deficient number, since it is larger than the sum of its proper divisors (667395).

1098237 is a wasteful number, since it uses less digits than its factorization.

1098237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1098237 is about 1047.9680338636. The cubic root of 1098237 is about 103.1728332734.

The spelling of 1098237 in words is "one million, ninety-eight thousand, two hundred thirty-seven".