3977605 has 8 divisors (see below), whose sum is σ = 4788000. Its totient is φ = 3172176.

The previous prime is 3977599. The next prime is 3977621. The reversal of 3977605 is 5067793.

3977605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3977605 - 2⁵ = 3977573 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 846 + ... + 2944.

It is an arithmetic number, because the mean of its divisors is an integer number (598500).

Almost surely, 2^3977605 is an apocalyptic number.

It is an amenable number.

3977605 is a deficient number, since it is larger than the sum of its proper divisors (810395).

3977605 is a wasteful number, since it uses less digits than its factorization.

3977605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 3977605 is about 1994.3933914852. The cubic root of 3977605 is about 158.4433018752.

The spelling of 3977605 in words is "three million, nine hundred seventy-seven thousand, six hundred five".