3982020 has 96 divisors (see below), whose sum is σ = 13440000. Its totient is φ = 860544.

The previous prime is 3981973. The next prime is 3982031. The reversal of 3982020 is 202893.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7731 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (140000).

Almost surely, 2^3982020 is an apocalyptic number.

3982020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a pronic number, being equal to 1995×1996.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3982020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6720000).

3982020 is an abundant number, since it is smaller than the sum of its proper divisors (9457980).

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

3982020 is a wasteful number, since it uses less digits than its factorization.

3982020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3982020 is about 1995.4999373591. The cubic root of 3982020 is about 158.5019023413.

The spelling of 3982020 in words is "three million, nine hundred eighty-two thousand, twenty".