2118354 has 32 divisors (see below), whose sum is σ = 5001216. Its totient is φ = 585360.

The previous prime is 2118349. The next prime is 2118359. The reversal of 2118354 is 4538112.

It is an interprime number because it is at equal distance from previous prime (2118349) and next prime (2118359).

It is not an unprimeable number, because it can be changed into a prime (2118359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 489 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (156288).

2^2118354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2118354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500608).

2118354 is an abundant number, since it is smaller than the sum of its proper divisors (2882862).

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

2118354 is a wasteful number, since it uses less digits than its factorization.

2118354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670.

The product of its digits is 960, while the sum is 24.

The square root of 2118354 is about 1455.4566293779. The cubic root of 2118354 is about 128.4299102494.

The spelling of 2118354 in words is "two million, one hundred eighteen thousand, three hundred fifty-four".