2038666 has 16 divisors (see below), whose sum is σ = 3515904. Its totient is φ = 868464.

The previous prime is 2038661. The next prime is 2038693. The reversal of 2038666 is 6668302.

It is not an unprimeable number, because it can be changed into a prime (2038661) 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, 2796 + ... + 3448.

It is an arithmetic number, because the mean of its divisors is an integer number (219744).

2^2038666 is an apocalyptic number.

2038666 is a deficient number, since it is larger than the sum of its proper divisors (1477238).

2038666 is a wasteful number, since it uses less digits than its factorization.

2038666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2038666 is about 1427.8186159313. The cubic root of 2038666 is about 126.7988632153.

It can be divided in two parts, 2038 and 666, that added together give a square (2704 = 52²).

The spelling of 2038666 in words is "two million, thirty-eight thousand, six hundred sixty-six".