3486638 has 8 divisors (see below), whose sum is σ = 5315880. Its totient is φ = 1714680.

The previous prime is 3486631. The next prime is 3486643. The reversal of 3486638 is 8366843.

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 3¹² + 4 + 8 + 6⁶ + 6⁷ + 3¹² + 8⁷ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486631) 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, 14168 + ... + 14411.

It is an arithmetic number, because the mean of its divisors is an integer number (664485).

Almost surely, 2^3486638 is an apocalyptic number.

3486638 is a deficient number, since it is larger than the sum of its proper divisors (1829242).

3486638 is a wasteful number, since it uses less digits than its factorization.

3486638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28642.

The product of its digits is 82944, while the sum is 38.

The square root of 3486638 is about 1867.2541337483. The cubic root of 3486638 is about 151.6359883743.

The spelling of 3486638 in words is "three million, four hundred eighty-six thousand, six hundred thirty-eight".