3938158 has 8 divisors (see below), whose sum is σ = 6751152. Its totient is φ = 1687776.

The previous prime is 3938153. The next prime is 3938167. The reversal of 3938158 is 8518393.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3938153) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 140635 + ... + 140662.

It is an arithmetic number, because the mean of its divisors is an integer number (843894).

Almost surely, 2^3938158 is an apocalyptic number.

3938158 is a deficient number, since it is larger than the sum of its proper divisors (2812994).

3938158 is a wasteful number, since it uses less digits than its factorization.

3938158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281306.

The product of its digits is 25920, while the sum is 37.

The square root of 3938158 is about 1984.4792767877. The cubic root of 3938158 is about 157.9177855671.

It can be divided in two parts, 3938 and 158, that added together give a 12-th power (4096 = 2¹²).

The spelling of 3938158 in words is "three million, nine hundred thirty-eight thousand, one hundred fifty-eight".