3982669 has 4 divisors (see below), whose sum is σ = 3999996. Its totient is φ = 3965344.

The previous prime is 3982631. The next prime is 3982679. The reversal of 3982669 is 9662893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9662893 = 1399 ⋅6907.

It can be written as a sum of positive squares in 2 ways, for example, as 1464100 + 2518569 = 1210^2 + 1587^2 .

It is a cyclic number.

It is not a de Polignac number, because 3982669 - 2⁹ = 3982157 is a prime.

It is a super-2 number, since 2×3982669² = 31723304727122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8314 + ... + 8779.

It is an arithmetic number, because the mean of its divisors is an integer number (999999).

Almost surely, 2^3982669 is an apocalyptic number.

It is an amenable number.

3982669 is a deficient number, since it is larger than the sum of its proper divisors (17327).

3982669 is a wasteful number, since it uses less digits than its factorization.

3982669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17326.

The product of its digits is 139968, while the sum is 43.

The square root of 3982669 is about 1995.6625466246. The cubic root of 3982669 is about 158.5105128912.

The spelling of 3982669 in words is "three million, nine hundred eighty-two thousand, six hundred sixty-nine".