3865057 has 8 divisors (see below), whose sum is σ = 4536896. Its totient is φ = 3223152.

The previous prime is 3865019. The next prime is 3865063. The reversal of 3865057 is 7505683.

It is a happy number.

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 3865057 - 2⁷ = 3864929 is a prime.

It is a super-2 number, since 2×3865057² = 29877331226498, which contains 22 as substring.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (3865007) 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, 7203 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (567112).

Almost surely, 2^3865057 is an apocalyptic number.

3865057 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

3865057 is a deficient number, since it is larger than the sum of its proper divisors (671839).

3865057 is a wasteful number, since it uses less digits than its factorization.

3865057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 3865057 is about 1965.9748218123. The cubic root of 3865057 is about 156.9345745489.

The spelling of 3865057 in words is "three million, eight hundred sixty-five thousand, fifty-seven".