3827420 has 24 divisors (see below), whose sum is σ = 8316000. Its totient is φ = 1477952.

The previous prime is 3827419. The next prime is 3827429. The reversal of 3827420 is 247283.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3827420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3827429) 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 7 ways as a sum of consecutive naturals, for example, 2720 + ... + 3879.

It is an arithmetic number, because the mean of its divisors is an integer number (346500).

Almost surely, 2^3827420 is an apocalyptic number.

It is an amenable number.

3827420 is an abundant number, since it is smaller than the sum of its proper divisors (4488580).

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

3827420 is a wasteful number, since it uses less digits than its factorization.

3827420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6637 (or 6635 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 3827420 is about 1956.3793088254. The cubic root of 3827420 is about 156.4235149744.

The spelling of 3827420 in words is "three million, eight hundred twenty-seven thousand, four hundred twenty".