3666495 has 16 divisors (see below), whose sum is σ = 6704640. Its totient is φ = 1676064.

The previous prime is 3666493. The next prime is 3666521. The reversal of 3666495 is 5946663.

It is a happy number.

It is not a de Polignac number, because 3666495 - 2¹ = 3666493 is a prime.

3666495 is a lucky number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 17355 + ... + 17564.

It is an arithmetic number, because the mean of its divisors is an integer number (419040).

Almost surely, 2^3666495 is an apocalyptic number.

3666495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3666495 is a deficient number, since it is larger than the sum of its proper divisors (3038145).

3666495 is a wasteful number, since it uses less digits than its factorization.

3666495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34934.

The product of its digits is 116640, while the sum is 39.

The square root of 3666495 is about 1914.8093899916. The cubic root of 3666495 is about 154.1997604468.

The spelling of 3666495 in words is "three million, six hundred sixty-six thousand, four hundred ninety-five".