2170493 has 8 divisors (see below), whose sum is σ = 2352000. Its totient is φ = 1991088.

The previous prime is 2170481. The next prime is 2170501. The reversal of 2170493 is 3940712.

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 2170493 - 2⁴ = 2170477 is a prime.

It is a super-2 number, since 2×2170493² = 9422079726098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2170423) 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, 2168 + ... + 3006.

It is an arithmetic number, because the mean of its divisors is an integer number (294000).

2^2170493 is an apocalyptic number.

It is an amenable number.

2170493 is a deficient number, since it is larger than the sum of its proper divisors (181507).

2170493 is a wasteful number, since it uses less digits than its factorization.

2170493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 2170493 is about 1473.2593118660. The cubic root of 2170493 is about 129.4750626540.

The spelling of 2170493 in words is "two million, one hundred seventy thousand, four hundred ninety-three".