3818840 has 16 divisors (see below), whose sum is σ = 8592480. Its totient is φ = 1527520.

The previous prime is 3818839. The next prime is 3818869. The reversal of 3818840 is 488183.

It is a junction number, because it is equal to n+sod(n) for n = 3818797 and 3818806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47696 + ... + 47775.

It is an arithmetic number, because the mean of its divisors is an integer number (537030).

Almost surely, 2^3818840 is an apocalyptic number.

It is an amenable number.

3818840 is an abundant number, since it is smaller than the sum of its proper divisors (4773640).

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

3818840 is a wasteful number, since it uses less digits than its factorization.

3818840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95482 (or 95478 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 3818840 is about 1954.1852522215. The cubic root of 3818840 is about 156.3065416703.

The spelling of 3818840 in words is "three million, eight hundred eighteen thousand, eight hundred forty".