2053986 has 16 divisors (see below), whose sum is σ = 4481568. Its totient is φ = 622400.

The previous prime is 2053979. The next prime is 2054009. The reversal of 2053986 is 6893502.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15495 + ... + 15626.

It is an arithmetic number, because the mean of its divisors is an integer number (280098).

2^2053986 is an apocalyptic number.

2053986 is an abundant number, since it is smaller than the sum of its proper divisors (2427582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2053986 is a wasteful number, since it uses less digits than its factorization.

2053986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31137.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2053986 is about 1433.1734019301. The cubic root of 2053986 is about 127.1156901454.

The spelling of 2053986 in words is "two million, fifty-three thousand, nine hundred eighty-six".