3666490 has 16 divisors (see below), whose sum is σ = 6653952. Its totient is φ = 1454544.

The previous prime is 3666473. The next prime is 3666493. The reversal of 3666490 is 946663.

It is not an unprimeable number, because it can be changed into a prime (3666493) 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, 174 + ... + 2713.

It is an arithmetic number, because the mean of its divisors is an integer number (415872).

Almost surely, 2^3666490 is an apocalyptic number.

3666490 is a deficient number, since it is larger than the sum of its proper divisors (2987462).

3666490 is a wasteful number, since it uses less digits than its factorization.

3666490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3021.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 3666490 is about 1914.8080843782. The cubic root of 3666490 is about 154.1996903527.

The spelling of 3666490 in words is "three million, six hundred sixty-six thousand, four hundred ninety".