3976438 has 4 divisors (see below), whose sum is σ = 5964660. Its totient is φ = 1988218.

The previous prime is 3976417. The next prime is 3976439. The reversal of 3976438 is 8346793.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 9³ + 7⁴ + 6 + 4⁹ + 3¹³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 3976438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3976439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994108 + ... + 994111.

It is an arithmetic number, because the mean of its divisors is an integer number (1491165).

Almost surely, 2^3976438 is an apocalyptic number.

3976438 is a deficient number, since it is larger than the sum of its proper divisors (1988222).

3976438 is a wasteful number, since it uses less digits than its factorization.

3976438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988221.

The product of its digits is 108864, while the sum is 40.

The square root of 3976438 is about 1994.1007998594. The cubic root of 3976438 is about 158.4278049938.

The spelling of 3976438 in words is "three million, nine hundred seventy-six thousand, four hundred thirty-eight".