3976938 has 72 divisors (see below), whose sum is σ = 10456992. Its totient is φ = 1129464.

The previous prime is 3976927. The next prime is 3976943. The reversal of 3976938 is 8396793.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3976893 and 3976902.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 23731 + ... + 23897.

It is an arithmetic number, because the mean of its divisors is an integer number (145236).

Almost surely, 2^3976938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3976938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5228496).

3976938 is an abundant number, since it is smaller than the sum of its proper divisors (6480054).

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

3976938 is a wasteful number, since it uses less digits than its factorization.

3976938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 179 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3976938 is about 1994.2261657094. The cubic root of 3976938 is about 158.4344449885.

The spelling of 3976938 in words is "three million, nine hundred seventy-six thousand, nine hundred thirty-eight".