3982642 has 8 divisors (see below), whose sum is σ = 6029100. Its totient is φ = 1972944.

The previous prime is 3982631. The next prime is 3982679. The reversal of 3982642 is 2462893.

3982642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3798601 + 184041 = 1949^2 + 429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3982642² = 31722874600328, which contains 22 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3982598 and 3982607.

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 3 ways as a sum of consecutive naturals, for example, 8917 + ... + 9352.

Almost surely, 2^3982642 is an apocalyptic number.

3982642 is a deficient number, since it is larger than the sum of its proper divisors (2046458).

3982642 is a wasteful number, since it uses less digits than its factorization.

3982642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18380.

The product of its digits is 20736, while the sum is 34.

The square root of 3982642 is about 1995.6557819424. The cubic root of 3982642 is about 158.5101546898.

It can be divided in two parts, 3982 and 642, that added together give a square (4624 = 68²).

The spelling of 3982642 in words is "three million, nine hundred eighty-two thousand, six hundred forty-two".