3886838 has 4 divisors (see below), whose sum is σ = 5830260. Its totient is φ = 1943418.

The previous prime is 3886837. The next prime is 3886843. The reversal of 3886838 is 8386883.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3886837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 971708 + ... + 971711.

It is an arithmetic number, because the mean of its divisors is an integer number (1457565).

Almost surely, 2^3886838 is an apocalyptic number.

3886838 is a deficient number, since it is larger than the sum of its proper divisors (1943422).

3886838 is a wasteful number, since it uses less digits than its factorization.

3886838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943421.

The product of its digits is 221184, while the sum is 44.

The square root of 3886838 is about 1971.5065305497. The cubic root of 3886838 is about 157.2288169605.

The spelling of 3886838 in words is "three million, eight hundred eighty-six thousand, eight hundred thirty-eight".