3857541 has 4 divisors (see below), whose sum is σ = 5143392. Its totient is φ = 2571692.

The previous prime is 3857531. The next prime is 3857543. The reversal of 3857541 is 1457583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3857541 - 2¹¹ = 3855493 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3857543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642921 + ... + 642926.

It is an arithmetic number, because the mean of its divisors is an integer number (1285848).

Almost surely, 2^3857541 is an apocalyptic number.

It is an amenable number.

3857541 is a deficient number, since it is larger than the sum of its proper divisors (1285851).

3857541 is a wasteful number, since it uses less digits than its factorization.

3857541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285850.

The product of its digits is 16800, while the sum is 33.

The square root of 3857541 is about 1964.0623717184. The cubic root of 3857541 is about 156.8327834106.

The spelling of 3857541 in words is "three million, eight hundred fifty-seven thousand, five hundred forty-one".