2180494 has 8 divisors (see below), whose sum is σ = 3286080. Its totient is φ = 1085136.

The previous prime is 2180491. The next prime is 2180501. The reversal of 2180494 is 4940812.

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 (2180491) 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, 1999 + ... + 2890.

It is an arithmetic number, because the mean of its divisors is an integer number (410760).

2^2180494 is an apocalyptic number.

2180494 is a deficient number, since it is larger than the sum of its proper divisors (1105586).

2180494 is a wasteful number, since it uses less digits than its factorization.

2180494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5114.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2180494 is about 1476.6495860562. The cubic root of 2180494 is about 129.6736191366.

The spelling of 2180494 in words is "two million, one hundred eighty thousand, four hundred ninety-four".