2065406 has 16 divisors (see below), whose sum is σ = 3655680. Its totient is φ = 856440.

The previous prime is 2065397. The next prime is 2065411. The reversal of 2065406 is 6045602.

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, 1946 + ... + 2813.

It is an arithmetic number, because the mean of its divisors is an integer number (228480).

2^2065406 is an apocalyptic number.

2065406 is a deficient number, since it is larger than the sum of its proper divisors (1590274).

2065406 is a wasteful number, since it uses less digits than its factorization.

2065406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2065406 is about 1437.1520448442. The cubic root of 2065406 is about 127.3508392794.

The spelling of 2065406 in words is "two million, sixty-five thousand, four hundred six".