3977608 has 16 divisors (see below), whose sum is σ = 7482060. Its totient is φ = 1982400.

The previous prime is 3977599. The next prime is 3977621. The reversal of 3977608 is 8067793.

It can be written as a sum of positive squares in 2 ways, for example, as 3928324 + 49284 = 1982^2 + 222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 3958.

Almost surely, 2^3977608 is an apocalyptic number.

It is an amenable number.

3977608 is a deficient number, since it is larger than the sum of its proper divisors (3504452).

3977608 is a wasteful number, since it uses less digits than its factorization.

3977608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1604 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 3977608 is about 1994.3941435935. The cubic root of 3977608 is about 158.4433417090.

The spelling of 3977608 in words is "three million, nine hundred seventy-seven thousand, six hundred eight".