3857899 has 8 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 3696000.

The previous prime is 3857891. The next prime is 3857911. The reversal of 3857899 is 9987583.

3857899 is nontrivially palindromic in base 4.

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 3857899 - 2³ = 3857891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3857891) 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, 3939 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^3857899 is an apocalyptic number.

3857899 is a deficient number, since it is larger than the sum of its proper divisors (164021).

3857899 is a wasteful number, since it uses less digits than its factorization.

3857899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061.

The product of its digits is 544320, while the sum is 49.

The square root of 3857899 is about 1964.1535072392. The cubic root of 3857899 is about 156.8376348950.

The spelling of 3857899 in words is "three million, eight hundred fifty-seven thousand, eight hundred ninety-nine".