3821478 has 16 divisors (see below), whose sum is σ = 7700400. Its totient is φ = 1264256.

The previous prime is 3821437. The next prime is 3821483. The reversal of 3821478 is 8741283.

It is a congruent number.

It is an unprimeable number.

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, 1503 + ... + 3146.

It is an arithmetic number, because the mean of its divisors is an integer number (481275).

Almost surely, 2^3821478 is an apocalyptic number.

3821478 is an abundant number, since it is smaller than the sum of its proper divisors (3878922).

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

3821478 is a wasteful number, since it uses less digits than its factorization.

3821478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4791.

The product of its digits is 10752, while the sum is 33.

The square root of 3821478 is about 1954.8600972960. The cubic root of 3821478 is about 156.3425248265.

The spelling of 3821478 in words is "three million, eight hundred twenty-one thousand, four hundred seventy-eight".