2054866 has 32 divisors (see below), whose sum is σ = 3649536. Its totient is φ = 858000.

The previous prime is 2054861. The next prime is 2054873. The reversal of 2054866 is 6684502.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a nialpdrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15621 + ... + 15751.

It is an arithmetic number, because the mean of its divisors is an integer number (114048).

2^2054866 is an apocalyptic number.

2054866 is a deficient number, since it is larger than the sum of its proper divisors (1594670).

2054866 is a wasteful number, since it uses less digits than its factorization.

2054866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2054866 is about 1433.4803800541. The cubic root of 2054866 is about 127.1338411676.

The spelling of 2054866 in words is "two million, fifty-four thousand, eight hundred sixty-six".