1097418 has 64 divisors (see below), whose sum is σ = 2799360. Its totient is φ = 279552.

The previous prime is 1097413. The next prime is 1097419. The reversal of 1097418 is 8147901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097413) 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 31 ways as a sum of consecutive naturals, for example, 20680 + ... + 20732.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2^1097418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1399680).

1097418 is an abundant number, since it is smaller than the sum of its proper divisors (1701942).

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

1097418 is a wasteful number, since it uses less digits than its factorization.

1097418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 1097418 is about 1047.5772047921. The cubic root of 1097418 is about 103.1471801694.

The spelling of 1097418 in words is "one million, ninety-seven thousand, four hundred eighteen".