2056418 has 16 divisors (see below), whose sum is σ = 3796800. Its totient is φ = 813456.

The previous prime is 2056409. The next prime is 2056421. The reversal of 2056418 is 8146502.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5468 + ... + 5831.

It is an arithmetic number, because the mean of its divisors is an integer number (237300).

2^2056418 is an apocalyptic number.

2056418 is a deficient number, since it is larger than the sum of its proper divisors (1740382).

2056418 is a wasteful number, since it uses less digits than its factorization.

2056418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2056418 is about 1434.0216176892. The cubic root of 2056418 is about 127.1658403453.

The spelling of 2056418 in words is "two million, fifty-six thousand, four hundred eighteen".