3856151 has 4 divisors (see below), whose sum is σ = 4152792. Its totient is φ = 3559512.

The previous prime is 3856147. The next prime is 3856187. The reversal of 3856151 is 1516583.

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

It is a cyclic number.

It is not a de Polignac number, because 3856151 - 2² = 3856147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856141) 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, 148301 + ... + 148326.

It is an arithmetic number, because the mean of its divisors is an integer number (1038198).

Almost surely, 2^3856151 is an apocalyptic number.

3856151 is a deficient number, since it is larger than the sum of its proper divisors (296641).

3856151 is a wasteful number, since it uses less digits than its factorization.

3856151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296640.

The product of its digits is 3600, while the sum is 29.

The square root of 3856151 is about 1963.7084814198. The cubic root of 3856151 is about 156.8139437959.

The spelling of 3856151 in words is "three million, eight hundred fifty-six thousand, one hundred fifty-one".