3666471 has 4 divisors (see below), whose sum is σ = 4888632. Its totient is φ = 2444312.

The previous prime is 3666461. The next prime is 3666473. The reversal of 3666471 is 1746663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1746663 = 3 ⋅582221.

It is a cyclic number.

It is not a de Polignac number, because 3666471 - 2¹⁵ = 3633703 is a prime.

It is a super-3 number, since 3×3666471³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611076 + ... + 611081.

It is an arithmetic number, because the mean of its divisors is an integer number (1222158).

Almost surely, 2^3666471 is an apocalyptic number.

3666471 is a deficient number, since it is larger than the sum of its proper divisors (1222161).

3666471 is a wasteful number, since it uses less digits than its factorization.

3666471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222160.

The product of its digits is 18144, while the sum is 33.

The square root of 3666471 is about 1914.8031230390. The cubic root of 3666471 is about 154.1994239945.

The spelling of 3666471 in words is "three million, six hundred sixty-six thousand, four hundred seventy-one".