3938386 has 8 divisors (see below), whose sum is σ = 5929740. Its totient is φ = 1961808.

The previous prime is 3938383. The next prime is 3938393. The reversal of 3938386 is 6838393.

It can be written as a sum of positive squares in 2 ways, for example, as 3404025 + 534361 = 1845^2 + 731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3938381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3001 + ... + 4108.

Almost surely, 2^3938386 is an apocalyptic number.

3938386 is a deficient number, since it is larger than the sum of its proper divisors (1991354).

3938386 is a wasteful number, since it uses less digits than its factorization.

3938386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388.

The product of its digits is 93312, while the sum is 40.

The square root of 3938386 is about 1984.5367217565. The cubic root of 3938386 is about 157.9208330629.

The spelling of 3938386 in words is "three million, nine hundred thirty-eight thousand, three hundred eighty-six".