2180342 has 8 divisors (see below), whose sum is σ = 3278136. Its totient is φ = 1087632.

The previous prime is 2180341. The next prime is 2180351. The reversal of 2180342 is 2430812.

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 (2180341) 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, 98 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (409767).

2^2180342 is an apocalyptic number.

2180342 is a deficient number, since it is larger than the sum of its proper divisors (1097794).

2180342 is a wasteful number, since it uses less digits than its factorization.

2180342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2180342 is about 1476.5981172953. The cubic root of 2180342 is about 129.6706059282.

The spelling of 2180342 in words is "two million, one hundred eighty thousand, three hundred forty-two".