3666912 has 24 divisors (see below), whose sum is σ = 9625896. Its totient is φ = 1222272.

The previous prime is 3666907. The next prime is 3666919. The reversal of 3666912 is 2196663.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666919) 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, 19003 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (401079).

Almost surely, 2^3666912 is an apocalyptic number.

3666912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3666912 is an abundant number, since it is smaller than the sum of its proper divisors (5958984).

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

3666912 is a wasteful number, since it uses less digits than its factorization.

3666912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38210 (or 38202 counting only the distinct ones).

The product of its digits is 11664, while the sum is 33.

The square root of 3666912 is about 1914.9182750185. The cubic root of 3666912 is about 154.2056060717.

The spelling of 3666912 in words is "three million, six hundred sixty-six thousand, nine hundred twelve".