3746646 has 12 divisors (see below), whose sum is σ = 8117772. Its totient is φ = 1248876.

The previous prime is 3746641. The next prime is 3746651. The reversal of 3746646 is 6466473.

3746646 is a `hidden beast` number, since 3 + 7 + 4 + 6 + 646 = 666.

It is an interprime number because it is at equal distance from previous prime (3746641) and next prime (3746651).

It is a d-powerful number, because it can be written as 3⁸ + 7⁶ + 4⁵ + 6² + 6⁸ + 4⁹ + 6⁸ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3746646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3746641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104056 + ... + 104091.

It is an arithmetic number, because the mean of its divisors is an integer number (676481).

Almost surely, 2^3746646 is an apocalyptic number.

3746646 is an abundant number, since it is smaller than the sum of its proper divisors (4371126).

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

3746646 is a wasteful number, since it uses less digits than its factorization.

3746646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208155 (or 208152 counting only the distinct ones).

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

The square root of 3746646 is about 1935.6254803035. The cubic root of 3746646 is about 155.3152930025.

The spelling of 3746646 in words is "three million, seven hundred forty-six thousand, six hundred forty-six".