3845555 has 8 divisors (see below), whose sum is σ = 5273952. Its totient is φ = 2636928.

The previous prime is 3845549. The next prime is 3845557. The reversal of 3845555 is 5555483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3845555 - 2⁴ = 3845539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 109873 = 3845555 / (3 + 8 + 4 + 5 + 5 + 5 + 5).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3845557) 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, 54902 + ... + 54971.

It is an arithmetic number, because the mean of its divisors is an integer number (659244).

Almost surely, 2^3845555 is an apocalyptic number.

3845555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3845555 is a deficient number, since it is larger than the sum of its proper divisors (1428397).

3845555 is a wasteful number, since it uses less digits than its factorization.

3845555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109885.

The product of its digits is 60000, while the sum is 35.

The square root of 3845555 is about 1961.0086690272. The cubic root of 3845555 is about 156.6701799926.

The spelling of 3845555 in words is "three million, eight hundred forty-five thousand, five hundred fifty-five".