3882820 has 12 divisors (see below), whose sum is σ = 8153964. Its totient is φ = 1553120.

The previous prime is 3882799. The next prime is 3882841. The reversal of 3882820 is 282883.

It is an interprime number because it is at equal distance from previous prime (3882799) and next prime (3882841).

It can be written as a sum of positive squares in 2 ways, for example, as 2027776 + 1855044 = 1424^2 + 1362^2 .

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 3 ways as a sum of consecutive naturals, for example, 97051 + ... + 97090.

It is an arithmetic number, because the mean of its divisors is an integer number (679497).

Almost surely, 2^3882820 is an apocalyptic number.

It is an amenable number.

3882820 is an abundant number, since it is smaller than the sum of its proper divisors (4271144).

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

3882820 is a wasteful number, since it uses less digits than its factorization.

3882820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194150 (or 194148 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 3882820 is about 1970.4872493878. The cubic root of 3882820 is about 157.1746201044.

The spelling of 3882820 in words is "three million, eight hundred eighty-two thousand, eight hundred twenty".