3894386 has 4 divisors (see below), whose sum is σ = 5841582. Its totient is φ = 1947192.

The previous prime is 3894353. The next prime is 3894391. The reversal of 3894386 is 6834983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6834983 = 641 ⋅10663.

It can be written as a sum of positive squares in only one way, i.e., 3822025 + 72361 = 1955^2 + 269^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 973595 + ... + 973598.

Almost surely, 2^3894386 is an apocalyptic number.

3894386 is a deficient number, since it is larger than the sum of its proper divisors (1947196).

3894386 is a wasteful number, since it uses less digits than its factorization.

3894386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947195.

The product of its digits is 124416, while the sum is 41.

The square root of 3894386 is about 1973.4198742285. The cubic root of 3894386 is about 157.3305273766.

The spelling of 3894386 in words is "three million, eight hundred ninety-four thousand, three hundred eighty-six".