2173390 has 8 divisors (see below), whose sum is σ = 3912120. Its totient is φ = 869352.

The previous prime is 2173387. The next prime is 2173393. The reversal of 2173390 is 933712.

It is an interprime number because it is at equal distance from previous prime (2173387) and next prime (2173393).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108660 + ... + 108679.

It is an arithmetic number, because the mean of its divisors is an integer number (489015).

2^2173390 is an apocalyptic number.

2173390 is a deficient number, since it is larger than the sum of its proper divisors (1738730).

2173390 is a wasteful number, since it uses less digits than its factorization.

2173390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217346.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 2173390 is about 1474.2421782055. The cubic root of 2173390 is about 129.5326413547.

The spelling of 2173390 in words is "two million, one hundred seventy-three thousand, three hundred ninety".