2180902 has 8 divisors (see below), whose sum is σ = 3284856. Its totient is φ = 1085952.

The previous prime is 2180873. The next prime is 2180911. The reversal of 2180902 is 2090812.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608 + ... + 2635.

It is an arithmetic number, because the mean of its divisors is an integer number (410607).

2^2180902 is an apocalyptic number.

2180902 is a deficient number, since it is larger than the sum of its proper divisors (1103954).

2180902 is a wasteful number, since it uses less digits than its factorization.

2180902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 2180902 is about 1476.7877301765. The cubic root of 2180902 is about 129.6817065298.

The spelling of 2180902 in words is "two million, one hundred eighty thousand, nine hundred two".