2061406 has 4 divisors (see below), whose sum is σ = 3092112. Its totient is φ = 1030702.

The previous prime is 2061391. The next prime is 2061413. The reversal of 2061406 is 6041602.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515350 + ... + 515353.

It is an arithmetic number, because the mean of its divisors is an integer number (773028).

2^2061406 is an apocalyptic number.

2061406 is a deficient number, since it is larger than the sum of its proper divisors (1030706).

2061406 is a wasteful number, since it uses less digits than its factorization.

2061406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030705.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2061406 is about 1435.7597292026. The cubic root of 2061406 is about 127.2685741687.

The spelling of 2061406 in words is "two million, sixty-one thousand, four hundred six".