3786642 has 16 divisors (see below), whose sum is σ = 8414880. Its totient is φ = 1262196.

The previous prime is 3786641. The next prime is 3786647. The reversal of 3786642 is 2466873.

3786642 is a `hidden beast` number, since 3 + 7 + 8 + 6 + 642 = 666.

It is a d-powerful number, because it can be written as 3³ + 7 + 8⁷ + 6⁵ + 6⁸ + 4² + 2¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3786597 and 3786606.

It is not an unprimeable number, because it can be changed into a prime (3786641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35008 + ... + 35115.

It is an arithmetic number, because the mean of its divisors is an integer number (525930).

Almost surely, 2^3786642 is an apocalyptic number.

3786642 is an abundant number, since it is smaller than the sum of its proper divisors (4628238).

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

3786642 is a wasteful number, since it uses less digits than its factorization.

3786642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70134 (or 70128 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 3786642 is about 1945.9295979043. The cubic root of 3786642 is about 155.8660092066.

The spelling of 3786642 in words is "three million, seven hundred eighty-six thousand, six hundred forty-two".