3845515 has 8 divisors (see below), whose sum is σ = 4631328. Its totient is φ = 3065280.

The previous prime is 3845497. The next prime is 3845537. The reversal of 3845515 is 5155483.

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

It is not a de Polignac number, because 3845515 - 2¹¹ = 3843467 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (578916).

Almost surely, 2^3845515 is an apocalyptic number.

3845515 is a deficient number, since it is larger than the sum of its proper divisors (785813).

3845515 is a wasteful number, since it uses less digits than its factorization.

3845515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789.

The product of its digits is 12000, while the sum is 31.

The square root of 3845515 is about 1960.9984701677. The cubic root of 3845515 is about 156.6696367829.

The spelling of 3845515 in words is "three million, eight hundred forty-five thousand, five hundred fifteen".