3666474 has 36 divisors (see below), whose sum is σ = 9243234. Its totient is φ = 1047312.

The previous prime is 3666473. The next prime is 3666493. The reversal of 3666474 is 4746663.

It can be written as a sum of positive squares in only one way, i.e., 3186225 + 480249 = 1785^2 + 693^2 .

It is a d-powerful number, because it can be written as 3¹³ + 6⁶ + 6⁷ + 6⁸ + 4³ + 7³ + 4⁸ .

It is not an unprimeable number, because it can be changed into a prime (3666473) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 1197 + ... + 2960.

Almost surely, 2^3666474 is an apocalyptic number.

3666474 is an abundant number, since it is smaller than the sum of its proper divisors (5576760).

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

3666474 is a wasteful number, since it uses less digits than its factorization.

3666474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179 (or 4169 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 3666474 is about 1914.8039064092. The cubic root of 3666474 is about 154.1994660511.

The spelling of 3666474 in words is "three million, six hundred sixty-six thousand, four hundred seventy-four".