3808638 has 24 divisors (see below), whose sum is σ = 8287968. Its totient is φ = 1264032.

The previous prime is 3808591. The next prime is 3808667. The reversal of 3808638 is 8368083.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7995 + ... + 8457.

It is an arithmetic number, because the mean of its divisors is an integer number (345332).

Almost surely, 2^3808638 is an apocalyptic number.

3808638 is an abundant number, since it is smaller than the sum of its proper divisors (4479330).

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

3808638 is a wasteful number, since it uses less digits than its factorization.

3808638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3808638 is about 1951.5732115399. The cubic root of 3808638 is about 156.1672269856.

The spelling of 3808638 in words is "three million, eight hundred eight thousand, six hundred thirty-eight".