3857977 has 8 divisors (see below), whose sum is σ = 4009320. Its totient is φ = 3709440.

The previous prime is 3857941. The next prime is 3857983. The reversal of 3857977 is 7797583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 3493161 = 604^2 + 1869^2 .

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 3857977 - 2¹⁵ = 3825209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3851977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2349 + ... + 3637.

It is an arithmetic number, because the mean of its divisors is an integer number (501165).

Almost surely, 2^3857977 is an apocalyptic number.

It is an amenable number.

3857977 is a deficient number, since it is larger than the sum of its proper divisors (151343).

3857977 is a wasteful number, since it uses less digits than its factorization.

3857977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403.

The product of its digits is 370440, while the sum is 46.

The square root of 3857977 is about 1964.1733630207. The cubic root of 3857977 is about 156.8386918825.

The spelling of 3857977 in words is "three million, eight hundred fifty-seven thousand, nine hundred seventy-seven".