3808940 has 36 divisors (see below), whose sum is σ = 8268624. Its totient is φ = 1473696.

The previous prime is 3808913. The next prime is 3808963. The reversal of 3808940 is 498083.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3808897 and 3808906.

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, 36929 + ... + 37031.

It is an arithmetic number, because the mean of its divisors is an integer number (229684).

Almost surely, 2^3808940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3808940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4134312).

3808940 is an abundant number, since it is smaller than the sum of its proper divisors (4459684).

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

3808940 is a wasteful number, since it uses less digits than its factorization.

3808940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 153 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 3808940 is about 1951.6505834806. The cubic root of 3808940 is about 156.1713545553.

The spelling of 3808940 in words is "three million, eight hundred eight thousand, nine hundred forty".