2172038 has 8 divisors (see below), whose sum is σ = 3554280. Its totient is φ = 987280.

The previous prime is 2172031. The next prime is 2172041. The reversal of 2172038 is 8302712.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49343 + ... + 49386.

It is an arithmetic number, because the mean of its divisors is an integer number (444285).

2^2172038 is an apocalyptic number.

2172038 is a deficient number, since it is larger than the sum of its proper divisors (1382242).

2172038 is a wasteful number, since it uses less digits than its factorization.

2172038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98742.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 2172038 is about 1473.7835661996. The cubic root of 2172038 is about 129.5057763408.

The spelling of 2172038 in words is "two million, one hundred seventy-two thousand, thirty-eight".