2066258 has 16 divisors (see below), whose sum is σ = 3205656. Its totient is φ = 998400.

The previous prime is 2066257. The next prime is 2066287. The reversal of 2066258 is 8526602.

It can be written as a sum of positive squares in 4 ways, for example, as 2036329 + 29929 = 1427^2 + 173^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2066258.

It is not an unprimeable number, because it can be changed into a prime (2066257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10610 + ... + 10802.

2^2066258 is an apocalyptic number.

2066258 is a deficient number, since it is larger than the sum of its proper divisors (1139398).

2066258 is a wasteful number, since it uses less digits than its factorization.

2066258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2066258 is about 1437.4484338577. The cubic root of 2066258 is about 127.3683480241.

It can be divided in two parts, 2066 and 258, that multiplied together give a triangular number (533028 = T₁₀₃₂).

The spelling of 2066258 in words is "two million, sixty-six thousand, two hundred fifty-eight".