2066406 has 16 divisors (see below), whose sum is σ = 4147200. Its totient is φ = 686408.

The previous prime is 2066399. The next prime is 2066419. The reversal of 2066406 is 6046602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2515 + ... + 3233.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

2^2066406 is an apocalyptic number.

It is a pronic number, being equal to 1437×1438.

2066406 is an abundant number, since it is smaller than the sum of its proper divisors (2080794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066406 is a wasteful number, since it uses less digits than its factorization.

2066406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2066406 is about 1437.4999130435. The cubic root of 2066406 is about 127.3713889585.

The spelling of 2066406 in words is "two million, sixty-six thousand, four hundred six".