3977066 has 4 divisors (see below), whose sum is σ = 5965602. Its totient is φ = 1988532.

The previous prime is 3977063. The next prime is 3977069. The reversal of 3977066 is 6607793.

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

It is an interprime number because it is at equal distance from previous prime (3977063) and next prime (3977069).

It can be written as a sum of positive squares in only one way, i.e., 3705625 + 271441 = 1925^2 + 521^2 .

It is not an unprimeable number, because it can be changed into a prime (3977063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994265 + ... + 994268.

Almost surely, 2^3977066 is an apocalyptic number.

3977066 is a deficient number, since it is larger than the sum of its proper divisors (1988536).

3977066 is a wasteful number, since it uses less digits than its factorization.

3977066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1988535.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 3977066 is about 1994.2582581000. The cubic root of 3977066 is about 158.4361447377.

The spelling of 3977066 in words is "three million, nine hundred seventy-seven thousand, sixty-six".