1954218 has 72 divisors (see below), whose sum is σ = 5039712. Its totient is φ = 502656.

The previous prime is 1954217. The next prime is 1954231. The reversal of 1954218 is 8124591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 84955 + ... + 84977.

It is an arithmetic number, because the mean of its divisors is an integer number (69996).

2^1954218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1954218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2519856).

1954218 is an abundant number, since it is smaller than the sum of its proper divisors (3085494).

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

1954218 is a wasteful number, since it uses less digits than its factorization.

1954218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 52 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1954218 is about 1397.9334748120. The cubic root of 1954218 is about 125.0233129851.

The spelling of 1954218 in words is "one million, nine hundred fifty-four thousand, two hundred eighteen".