3977958 has 16 divisors (see below), whose sum is σ = 7983936. Its totient is φ = 1321320.

The previous prime is 3977947. The next prime is 3977977. The reversal of 3977958 is 8597793.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 985 + ... + 2987.

It is an arithmetic number, because the mean of its divisors is an integer number (498996).

Almost surely, 2^3977958 is an apocalyptic number.

3977958 is an abundant number, since it is smaller than the sum of its proper divisors (4005978).

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

3977958 is a wasteful number, since it uses less digits than its factorization.

3977958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339.

The product of its digits is 476280, while the sum is 48.

The square root of 3977958 is about 1994.4818876089. The cubic root of 3977958 is about 158.4479888523.

The spelling of 3977958 in words is "three million, nine hundred seventy-seven thousand, nine hundred fifty-eight".