2182406 has 8 divisors (see below), whose sum is σ = 3280224. Its totient is φ = 1089000.

The previous prime is 2182399. The next prime is 2182417. The reversal of 2182406 is 6042812.

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

It is an Ulam number.

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, 776 + ... + 2228.

It is an arithmetic number, because the mean of its divisors is an integer number (410028).

2^2182406 is an apocalyptic number.

2182406 is a deficient number, since it is larger than the sum of its proper divisors (1097818).

2182406 is a wasteful number, since it uses less digits than its factorization.

2182406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 2182406 is about 1477.2968557470. The cubic root of 2182406 is about 129.7115101720.

The spelling of 2182406 in words is "two million, one hundred eighty-two thousand, four hundred six".