3838642 has 8 divisors (see below), whose sum is σ = 5766300. Its totient is φ = 1916544.

The previous prime is 3838621. The next prime is 3838657. The reversal of 3838642 is 2468383.

3838642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3837681 + 961 = 1959^2 + 31^2 .

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

It is a d-powerful number, because it can be written as 3² + 8³ + 3¹⁰ + 8⁷ + 6⁸ + 4⁴ + 2¹¹ .

It is a junction number, because it is equal to n+sod(n) for n = 3838598 and 3838607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1834 + ... + 3322.

Almost surely, 2^3838642 is an apocalyptic number.

3838642 is a deficient number, since it is larger than the sum of its proper divisors (1927658).

3838642 is a wasteful number, since it uses less digits than its factorization.

3838642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its digits is 27648, while the sum is 34.

The square root of 3838642 is about 1959.2452628500. The cubic root of 3838642 is about 156.5762437819.

It can be divided in two parts, 383 and 8642, that added together give a square (9025 = 95²).

The spelling of 3838642 in words is "three million, eight hundred thirty-eight thousand, six hundred forty-two".