2188933 has 8 divisors (see below), whose sum is σ = 2404800. Its totient is φ = 1983168.

The previous prime is 2188919. The next prime is 2188981. The reversal of 2188933 is 3398812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2188933 - 2¹³ = 2180741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2068 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (300600).

2^2188933 is an apocalyptic number.

2188933 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2188933 is a deficient number, since it is larger than the sum of its proper divisors (215867).

2188933 is a wasteful number, since it uses less digits than its factorization.

2188933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its digits is 10368, while the sum is 34.

The square root of 2188933 is about 1479.5043088819. The cubic root of 2188933 is about 129.8406924314.

The spelling of 2188933 in words is "two million, one hundred eighty-eight thousand, nine hundred thirty-three".