3427638 has 32 divisors (see below), whose sum is σ = 7309440. Its totient is φ = 1068480.

The previous prime is 3427607. The next prime is 3427673. The reversal of 3427638 is 8367243.

3427638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3427599 and 3427608.

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 15 ways as a sum of consecutive naturals, for example, 12058 + ... + 12338.

It is an arithmetic number, because the mean of its divisors is an integer number (228420).

Almost surely, 2^3427638 is an apocalyptic number.

3427638 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3427638 is an abundant number, since it is smaller than the sum of its proper divisors (3881802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3427638 is a wasteful number, since it uses less digits than its factorization.

3427638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its digits is 24192, while the sum is 33.

The square root of 3427638 is about 1851.3881278651. The cubic root of 3427638 is about 150.7758028378.

It can be divided in two parts, 34 and 27638, that added together give a palindrome (27672).

The spelling of 3427638 in words is "three million, four hundred twenty-seven thousand, six hundred thirty-eight".