2063890 has 16 divisors (see below), whose sum is σ = 3739608. Its totient is φ = 820096.

The previous prime is 2063881. The next prime is 2063903. The reversal of 2063890 is 983602.

It can be written as a sum of positive squares in 4 ways, for example, as 1968409 + 95481 = 1403^2 + 309^2 .

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, 1134 + ... + 2326.

2^2063890 is an apocalyptic number.

2063890 is a deficient number, since it is larger than the sum of its proper divisors (1675718).

2063890 is a wasteful number, since it uses less digits than its factorization.

2063890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2063890 is about 1436.6245160097. The cubic root of 2063890 is about 127.3196733121.

It can be divided in two parts, 206 and 3890, that added together give a 12-th power (4096 = 2¹²).

The spelling of 2063890 in words is "two million, sixty-three thousand, eight hundred ninety".