2061138 has 16 divisors (see below), whose sum is σ = 4210560. Its totient is φ = 672336.

The previous prime is 2061127. The next prime is 2061149. The reversal of 2061138 is 8311602.

It is an interprime number because it is at equal distance from previous prime (2061127) and next prime (2061149).

It is a Curzon number.

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, 3373 + ... + 3936.

It is an arithmetic number, because the mean of its divisors is an integer number (263160).

2^2061138 is an apocalyptic number.

2061138 is an abundant number, since it is smaller than the sum of its proper divisors (2149422).

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

2061138 is a wasteful number, since it uses less digits than its factorization.

2061138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2061138 is about 1435.6663957898. Note that the first 3 decimals coincide. The cubic root of 2061138 is about 127.2630586038.

The spelling of 2061138 in words is "two million, sixty-one thousand, one hundred thirty-eight".