2188962 has 12 divisors (see below), whose sum is σ = 4742790. Its totient is φ = 729648.

The previous prime is 2188919. The next prime is 2188981. The reversal of 2188962 is 2698812.

It can be written as a sum of positive squares in only one way, i.e., 2187441 + 1521 = 1479^2 + 39^2 .

It is a super-4 number, since 4×2188962⁴ (a number of 26 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60787 + ... + 60822.

2^2188962 is an apocalyptic number.

2188962 is an abundant number, since it is smaller than the sum of its proper divisors (2553828).

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

2188962 is a wasteful number, since it uses less digits than its factorization.

2188962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121617 (or 121614 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2188962 is about 1479.5141094292. The cubic root of 2188962 is about 129.8412658254.

It can be divided in two parts, 218 and 8962, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 2188962 in words is "two million, one hundred eighty-eight thousand, nine hundred sixty-two".