3857089 has 4 divisors (see below), whose sum is σ = 3895380. Its totient is φ = 3818800.

The previous prime is 3857081. The next prime is 3857107. The reversal of 3857089 is 9807583.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2146225 + 1710864 = 1465^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 3857089 - 2³ = 3857081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3857081) 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, 18994 + ... + 19195.

It is an arithmetic number, because the mean of its divisors is an integer number (973845).

Almost surely, 2^3857089 is an apocalyptic number.

It is an amenable number.

3857089 is a deficient number, since it is larger than the sum of its proper divisors (38291).

3857089 is a wasteful number, since it uses less digits than its factorization.

3857089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38290.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 3857089 is about 1963.9473007186. The cubic root of 3857089 is about 156.8266576440.

The spelling of 3857089 in words is "three million, eight hundred fifty-seven thousand, eighty-nine".