3786394 has 4 divisors (see below), whose sum is σ = 5679594. Its totient is φ = 1893196.

The previous prime is 3786353. The next prime is 3786397. The reversal of 3786394 is 4936873.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3560769 + 225625 = 1887^2 + 475^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (3786397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 946597 + ... + 946600.

Almost surely, 2^3786394 is an apocalyptic number.

3786394 is a deficient number, since it is larger than the sum of its proper divisors (1893200).

3786394 is a wasteful number, since it uses less digits than its factorization.

3786394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893199.

The product of its digits is 108864, while the sum is 40.

The square root of 3786394 is about 1945.8658741034. The cubic root of 3786394 is about 155.8626064015.

The spelling of 3786394 in words is "three million, seven hundred eighty-six thousand, three hundred ninety-four".