3982620 has 24 divisors (see below), whose sum is σ = 11151504. Its totient is φ = 1062016.

The previous prime is 3982597. The next prime is 3982631. The reversal of 3982620 is 262893.

3982620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3982620² = 31722524128800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33129 + ... + 33248.

It is an arithmetic number, because the mean of its divisors is an integer number (464646).

Almost surely, 2^3982620 is an apocalyptic number.

3982620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3982620 is an abundant number, since it is smaller than the sum of its proper divisors (7168884).

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

3982620 is a wasteful number, since it uses less digits than its factorization.

3982620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66389 (or 66387 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3982620 is about 1995.6502699621. The cubic root of 3982620 is about 158.5098628207.

The spelling of 3982620 in words is "three million, nine hundred eighty-two thousand, six hundred twenty".