2026406 has 4 divisors (see below), whose sum is σ = 3039612. Its totient is φ = 1013202.

The previous prime is 2026397. The next prime is 2026447. The reversal of 2026406 is 6046202.

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

It is a Curzon number.

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, 506600 + ... + 506603.

It is an arithmetic number, because the mean of its divisors is an integer number (759903).

2^2026406 is an apocalyptic number.

2026406 is a deficient number, since it is larger than the sum of its proper divisors (1013206).

2026406 is a wasteful number, since it uses less digits than its factorization.

2026406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013205.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2026406 is about 1423.5188793971. The cubic root of 2026406 is about 126.5441736712.

The spelling of 2026406 in words is "two million, twenty-six thousand, four hundred six".