3977882 has 4 divisors (see below), whose sum is σ = 5966826. Its totient is φ = 1988940.

The previous prime is 3977867. The next prime is 3977891. The reversal of 3977882 is 2887793.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2070721 + 1907161 = 1439^2 + 1381^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994469 + ... + 994472.

Almost surely, 2^3977882 is an apocalyptic number.

3977882 is a deficient number, since it is larger than the sum of its proper divisors (1988944).

3977882 is a wasteful number, since it uses less digits than its factorization.

3977882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988943.

The product of its digits is 169344, while the sum is 44.

The square root of 3977882 is about 1994.4628349508. The cubic root of 3977882 is about 158.4469797815.

The spelling of 3977882 in words is "three million, nine hundred seventy-seven thousand, eight hundred eighty-two".