3976538 has 32 divisors (see below), whose sum is σ = 6771600. Its totient is φ = 1741824.

The previous prime is 3976523. The next prime is 3976547. The reversal of 3976538 is 8356793.

It can be written as a sum of positive squares in 8 ways, for example, as 3636649 + 339889 = 1907^2 + 583^2 .

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3976495 and 3976504.

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 15 ways as a sum of consecutive naturals, for example, 36428 + ... + 36536.

Almost surely, 2^3976538 is an apocalyptic number.

3976538 is a deficient number, since it is larger than the sum of its proper divisors (2795062).

3976538 is a wasteful number, since it uses less digits than its factorization.

3976538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 136080, while the sum is 41.

The square root of 3976538 is about 1994.1258736599. The cubic root of 3976538 is about 158.4291330372.

The spelling of 3976538 in words is "three million, nine hundred seventy-six thousand, five hundred thirty-eight".