2238984 has 72 divisors (see below), whose sum is σ = 6691230. Its totient is φ = 675840.

The previous prime is 2238961. The next prime is 2238989. The reversal of 2238984 is 4898322.

It can be written as a sum of positive squares in only one way, i.e., 1258884 + 980100 = 1122^2 + 990^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238989) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8584 + ... + 8840.

2^2238984 is an apocalyptic number.

2238984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3345615).

2238984 is an abundant number, since it is smaller than the sum of its proper divisors (4452246).

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

2238984 is a wasteful number, since it uses less digits than its factorization.

2238984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 273 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 2238984 is about 1496.3234944356. The cubic root of 2238984 is about 130.8228672530.

The spelling of 2238984 in words is "two million, two hundred thirty-eight thousand, nine hundred eighty-four".